Finding the Fourth Proportional to 92,112.17, 138,081.96 and 83,895.12

Step by Step Solution

1. Step 1: Write the proportion equation
   92,112.17 : 138,081.96 = 83,895.12 : x
2. Step 2: Convert to fraction form
   92,112.17/138,081.96 = 83,895.12/x
3. Step 3: Cross multiply
   92,112.17x = 138,081.96 × 83,895.12
4. Step 4: Simplify right side
   92,112.17x = 11,584,402,604.04
5. Step 5: Solve for x
   x = 11,584,402,604.04/92,112.17
6. Step 6: Final answer
   x = 125,764.09