Finding the Fourth Proportional to 111,943.81, 154,493.37 and 83,600.29

Step by Step Solution

1. Step 1: Write the proportion equation
   111,943.81 : 154,493.37 = 83,600.29 : x
2. Step 2: Convert to fraction form
   111,943.81/154,493.37 = 83,600.29/x
3. Step 3: Cross multiply
   111,943.81x = 154,493.37 × 83,600.29
4. Step 4: Simplify right side
   111,943.81x = 12,915,689,344.61
5. Step 5: Solve for x
   x = 12,915,689,344.61/111,943.81
6. Step 6: Final answer
   x = 115,376.54