Finding the Fourth Proportional to 41,142,948.42, 61,717,781 and 20,662,134.87

Step by Step Solution

1. Step 1: Write the proportion equation
   41,142,948.42 : 61,717,781 = 20,662,134.87 : x
2. Step 2: Convert to fraction form
   41,142,948.42/61,717,781 = 20,662,134.87/x
3. Step 3: Cross multiply
   41,142,948.42x = 61,717,781 × 20,662,134.87
4. Step 4: Simplify right side
   41,142,948.42x = 1,275,221,114,899,123.50
5. Step 5: Solve for x
   x = 1,275,221,114,899,123.50/41,142,948.42
6. Step 6: Final answer
   x = 30,994,888.89