Finding the Fourth Proportional to 162,061.53, 223,657.31 and 89,478.42

Step by Step Solution

1. Step 1: Write the proportion equation
   162,061.53 : 223,657.31 = 89,478.42 : x
2. Step 2: Convert to fraction form
   162,061.53/223,657.31 = 89,478.42/x
3. Step 3: Cross multiply
   162,061.53x = 223,657.31 × 89,478.42
4. Step 4: Simplify right side
   162,061.53x = 20,012,502,272.86
5. Step 5: Solve for x
   x = 20,012,502,272.86/162,061.53
6. Step 6: Final answer
   x = 123,487.06