Finding the Fourth Proportional to 161,327.32, 242,002.50 and 42,998.04

Step by Step Solution

1. Step 1: Write the proportion equation
   161,327.32 : 242,002.50 = 42,998.04 : x
2. Step 2: Convert to fraction form
   161,327.32/242,002.50 = 42,998.04/x
3. Step 3: Cross multiply
   161,327.32x = 242,002.50 × 42,998.04
4. Step 4: Simplify right side
   161,327.32x = 10,405,633,175.10
5. Step 5: Solve for x
   x = 10,405,633,175.10/161,327.32
6. Step 6: Final answer
   x = 64,500.13