Finding the Fourth Proportional to 39,401,025.42, 59,036,687.58 and 13,479,156.40

Step by Step Solution

1. Step 1: Write the proportion equation
   39,401,025.42 : 59,036,687.58 = 13,479,156.40 : x
2. Step 2: Convert to fraction form
   39,401,025.42/59,036,687.58 = 13,479,156.40/x
3. Step 3: Cross multiply
   39,401,025.42x = 59,036,687.58 × 13,479,156.40
4. Step 4: Simplify right side
   39,401,025.42x = 795,764,745,252,006.50
5. Step 5: Solve for x
   x = 795,764,745,252,006.50/39,401,025.42
6. Step 6: Final answer
   x = 20,196,549.12