Finding the Fourth Proportional to 72,070,311.43, 99,455,800.82 and 39,030,292.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,070,311.43 : 99,455,800.82 = 39,030,292.31 : x
2. Step 2: Convert to fraction form
   72,070,311.43/99,455,800.82 = 39,030,292.31/x
3. Step 3: Cross multiply
   72,070,311.43x = 99,455,800.82 × 39,030,292.31
4. Step 4: Simplify right side
   72,070,311.43x = 3,881,788,977,906,442.50
5. Step 5: Solve for x
   x = 3,881,788,977,906,442.50/72,070,311.43
6. Step 6: Final answer
   x = 53,861,137.84