Finding the Fourth Proportional to 48,228,970,100.81, 72,351,696,994.16 and 19,883,406,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,228,970,100.81 : 72,351,696,994.16 = 19,883,406,478.50 : x
2. Step 2: Convert to fraction form
   48,228,970,100.81/72,351,696,994.16 = 19,883,406,478.50/x
3. Step 3: Cross multiply
   48,228,970,100.81x = 72,351,696,994.16 × 19,883,406,478.50
4. Step 4: Simplify right side
   48,228,970,100.81x = 1,438,598,200,744,050,425,856
5. Step 5: Solve for x
   x = 1,438,598,200,744,050,425,856/48,228,970,100.81
6. Step 6: Final answer
   x = 29,828,507,590.71