Finding the Fourth Proportional to 107,382.40, 148,327.26 and 81,733

Step by Step Solution

1. Step 1: Write the proportion equation
   107,382.40 : 148,327.26 = 81,733 : x
2. Step 2: Convert to fraction form
   107,382.40/148,327.26 = 81,733/x
3. Step 3: Cross multiply
   107,382.40x = 148,327.26 × 81,733
4. Step 4: Simplify right side
   107,382.40x = 12,123,231,941.58
5. Step 5: Solve for x
   x = 12,123,231,941.58/107,382.40
6. Step 6: Final answer
   x = 112,897.76