Finding the Fourth Proportional to 152,380.99, 228,586.50 and 52,528.04

Step by Step Solution

1. Step 1: Write the proportion equation
   152,380.99 : 228,586.50 = 52,528.04 : x
2. Step 2: Convert to fraction form
   152,380.99/228,586.50 = 52,528.04/x
3. Step 3: Cross multiply
   152,380.99x = 228,586.50 × 52,528.04
4. Step 4: Simplify right side
   152,380.99x = 12,007,199,672.53
5. Step 5: Solve for x
   x = 12,007,199,672.53/152,380.99
6. Step 6: Final answer
   x = 78,797.23