Finding the Fourth Proportional to 72,411.48, 108,475.81 and 34,406.67

Step by Step Solution

1. Step 1: Write the proportion equation
   72,411.48 : 108,475.81 = 34,406.67 : x
2. Step 2: Convert to fraction form
   72,411.48/108,475.81 = 34,406.67/x
3. Step 3: Cross multiply
   72,411.48x = 108,475.81 × 34,406.67
4. Step 4: Simplify right side
   72,411.48x = 3,732,291,397.65
5. Step 5: Solve for x
   x = 3,732,291,397.65/72,411.48
6. Step 6: Final answer
   x = 51,542.81