Finding the Fourth Proportional to 123,061.07, 169,824.28 and 66,472.45

Step by Step Solution

1. Step 1: Write the proportion equation
   123,061.07 : 169,824.28 = 66,472.45 : x
2. Step 2: Convert to fraction form
   123,061.07/169,824.28 = 66,472.45/x
3. Step 3: Cross multiply
   123,061.07x = 169,824.28 × 66,472.45
4. Step 4: Simplify right side
   123,061.07x = 11,288,635,961.09
5. Step 5: Solve for x
   x = 11,288,635,961.09/123,061.07
6. Step 6: Final answer
   x = 91,731.98