Finding the Fourth Proportional to 72,409.36, 108,672.72 and 37,359.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,409.36 : 108,672.72 = 37,359.04 : x
2. Step 2: Convert to fraction form
   72,409.36/108,672.72 = 37,359.04/x
3. Step 3: Cross multiply
   72,409.36x = 108,672.72 × 37,359.04
4. Step 4: Simplify right side
   72,409.36x = 4,059,908,493.39
5. Step 5: Solve for x
   x = 4,059,908,493.39/72,409.36
6. Step 6: Final answer
   x = 56,068.84