Finding the Fourth Proportional to 152,499.48, 228,756.52 and 73,680

Step by Step Solution

1. Step 1: Write the proportion equation
   152,499.48 : 228,756.52 = 73,680 : x
2. Step 2: Convert to fraction form
   152,499.48/228,756.52 = 73,680/x
3. Step 3: Cross multiply
   152,499.48x = 228,756.52 × 73,680
4. Step 4: Simplify right side
   152,499.48x = 16,854,780,393.60
5. Step 5: Solve for x
   x = 16,854,780,393.60/152,499.48
6. Step 6: Final answer
   x = 110,523.53