Finding the Fourth Proportional to 123,141.76, 169,935.37 and 66,553

Step by Step Solution

1. Step 1: Write the proportion equation
   123,141.76 : 169,935.37 = 66,553 : x
2. Step 2: Convert to fraction form
   123,141.76/169,935.37 = 66,553/x
3. Step 3: Cross multiply
   123,141.76x = 169,935.37 × 66,553
4. Step 4: Simplify right side
   123,141.76x = 11,309,708,679.61
5. Step 5: Solve for x
   x = 11,309,708,679.61/123,141.76
6. Step 6: Final answer
   x = 91,843.00