Finding the Fourth Proportional to 34,139,406.18, 47,165,430.24 and 28,624,229.58

Step by Step Solution

1. Step 1: Write the proportion equation
   34,139,406.18 : 47,165,430.24 = 28,624,229.58 : x
2. Step 2: Convert to fraction form
   34,139,406.18/47,165,430.24 = 28,624,229.58/x
3. Step 3: Cross multiply
   34,139,406.18x = 47,165,430.24 × 28,624,229.58
4. Step 4: Simplify right side
   34,139,406.18x = 1,350,074,103,429,234.50
5. Step 5: Solve for x
   x = 1,350,074,103,429,234.50/34,139,406.18
6. Step 6: Final answer
   x = 39,545,916.42