Finding the Fourth Proportional to 152,324.72, 228,892.60 and 142,748.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,324.72 : 228,892.60 = 142,748.10 : x
2. Step 2: Convert to fraction form
   152,324.72/228,892.60 = 142,748.10/x
3. Step 3: Cross multiply
   152,324.72x = 228,892.60 × 142,748.10
4. Step 4: Simplify right side
   152,324.72x = 32,673,983,754.06
5. Step 5: Solve for x
   x = 32,673,983,754.06/152,324.72
6. Step 6: Final answer
   x = 214,502.18