Finding the Fourth Proportional to 74,903,061.42, 112,354,590.78 and 21,050,373.42

Step by Step Solution

1. Step 1: Write the proportion equation
   74,903,061.42 : 112,354,590.78 = 21,050,373.42 : x
2. Step 2: Convert to fraction form
   74,903,061.42/112,354,590.78 = 21,050,373.42/x
3. Step 3: Cross multiply
   74,903,061.42x = 112,354,590.78 × 21,050,373.42
4. Step 4: Simplify right side
   74,903,061.42x = 2,365,106,091,370,289.50
5. Step 5: Solve for x
   x = 2,365,106,091,370,289.50/74,903,061.42
6. Step 6: Final answer
   x = 31,575,559.75