Finding the Fourth Proportional to 62,390,949.17, 86,070,495.98 and 40,371,556.55

Step by Step Solution

1. Step 1: Write the proportion equation
   62,390,949.17 : 86,070,495.98 = 40,371,556.55 : x
2. Step 2: Convert to fraction form
   62,390,949.17/86,070,495.98 = 40,371,556.55/x
3. Step 3: Cross multiply
   62,390,949.17x = 86,070,495.98 × 40,371,556.55
4. Step 4: Simplify right side
   62,390,949.17x = 3,474,799,895,413,694.50
5. Step 5: Solve for x
   x = 3,474,799,895,413,694.50/62,390,949.17
6. Step 6: Final answer
   x = 55,693,973.92