Finding the Fourth Proportional to 72,405.36, 108,666.72 and 37,355.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,405.36 : 108,666.72 = 37,355.04 : x
2. Step 2: Convert to fraction form
   72,405.36/108,666.72 = 37,355.04/x
3. Step 3: Cross multiply
   72,405.36x = 108,666.72 × 37,355.04
4. Step 4: Simplify right side
   72,405.36x = 4,059,249,672.27
5. Step 5: Solve for x
   x = 4,059,249,672.27/72,405.36
6. Step 6: Final answer
   x = 56,062.83