Finding the Fourth Proportional to 72,504.52, 108,655.63 and 39,152.77

Step by Step Solution

1. Step 1: Write the proportion equation
   72,504.52 : 108,655.63 = 39,152.77 : x
2. Step 2: Convert to fraction form
   72,504.52/108,655.63 = 39,152.77/x
3. Step 3: Cross multiply
   72,504.52x = 108,655.63 × 39,152.77
4. Step 4: Simplify right side
   72,504.52x = 4,254,168,521.07
5. Step 5: Solve for x
   x = 4,254,168,521.07/72,504.52
6. Step 6: Final answer
   x = 58,674.53