Finding the Fourth Proportional to 285,184.72, 428,552.52 and 152,158.96

Step by Step Solution

1. Step 1: Write the proportion equation
   285,184.72 : 428,552.52 = 152,158.96 : x
2. Step 2: Convert to fraction form
   285,184.72/428,552.52 = 152,158.96/x
3. Step 3: Cross multiply
   285,184.72x = 428,552.52 × 152,158.96
4. Step 4: Simplify right side
   285,184.72x = 65,208,105,748.58
5. Step 5: Solve for x
   x = 65,208,105,748.58/285,184.72
6. Step 6: Final answer
   x = 228,652.17