Finding the Fourth Proportional to 123,061.32, 169,824.63 and 66,472.70

Step by Step Solution

1. Step 1: Write the proportion equation
   123,061.32 : 169,824.63 = 66,472.70 : x
2. Step 2: Convert to fraction form
   123,061.32/169,824.63 = 66,472.70/x
3. Step 3: Cross multiply
   123,061.32x = 169,824.63 × 66,472.70
4. Step 4: Simplify right side
   123,061.32x = 11,288,701,682.60
5. Step 5: Solve for x
   x = 11,288,701,682.60/123,061.32
6. Step 6: Final answer
   x = 91,732.33