Finding the Fourth Proportional to 72,409.59, 108,472.98 and 34,404.77

Step by Step Solution

1. Step 1: Write the proportion equation
   72,409.59 : 108,472.98 = 34,404.77 : x
2. Step 2: Convert to fraction form
   72,409.59/108,472.98 = 34,404.77/x
3. Step 3: Cross multiply
   72,409.59x = 108,472.98 × 34,404.77
4. Step 4: Simplify right side
   72,409.59x = 3,731,988,328.31
5. Step 5: Solve for x
   x = 3,731,988,328.31/72,409.59
6. Step 6: Final answer
   x = 51,539.97