Finding the Fourth Proportional to 162,002.10, 243,003.15 and 152,816.70

Step by Step Solution

1. Step 1: Write the proportion equation
   162,002.10 : 243,003.15 = 152,816.70 : x
2. Step 2: Convert to fraction form
   162,002.10/243,003.15 = 152,816.70/x
3. Step 3: Cross multiply
   162,002.10x = 243,003.15 × 152,816.70
4. Step 4: Simplify right side
   162,002.10x = 37,134,939,472.61
5. Step 5: Solve for x
   x = 37,134,939,472.61/162,002.10
6. Step 6: Final answer
   x = 229,225.05