Finding the Fourth Proportional to 112,696.86, 155,332.71 and 89,963.00

Step by Step Solution

1. Step 1: Write the proportion equation
   112,696.86 : 155,332.71 = 89,963.00 : x
2. Step 2: Convert to fraction form
   112,696.86/155,332.71 = 89,963.00/x
3. Step 3: Cross multiply
   112,696.86x = 155,332.71 × 89,963.00
4. Step 4: Simplify right side
   112,696.86x = 13,974,195,813.07
5. Step 5: Solve for x
   x = 13,974,195,813.07/112,696.86
6. Step 6: Final answer
   x = 123,998.09