Finding the Fourth Proportional to 72,096.08, 108,144.07 and 52,499.30

Step by Step Solution

1. Step 1: Write the proportion equation
   72,096.08 : 108,144.07 = 52,499.30 : x
2. Step 2: Convert to fraction form
   72,096.08/108,144.07 = 52,499.30/x
3. Step 3: Cross multiply
   72,096.08x = 108,144.07 × 52,499.30
4. Step 4: Simplify right side
   72,096.08x = 5,677,487,302.18
5. Step 5: Solve for x
   x = 5,677,487,302.18/72,096.08
6. Step 6: Final answer
   x = 78,748.91