Finding the Fourth Proportional to 152,159.42, 228,156.50 and 45,528.59

Step by Step Solution

1. Step 1: Write the proportion equation
   152,159.42 : 228,156.50 = 45,528.59 : x
2. Step 2: Convert to fraction form
   152,159.42/228,156.50 = 45,528.59/x
3. Step 3: Cross multiply
   152,159.42x = 228,156.50 × 45,528.59
4. Step 4: Simplify right side
   152,159.42x = 10,387,644,428.55
5. Step 5: Solve for x
   x = 10,387,644,428.55/152,159.42
6. Step 6: Final answer
   x = 68,268.16