Finding the Fourth Proportional to 111,935.41, 154,481.76 and 83,591.89

Step by Step Solution

1. Step 1: Write the proportion equation
   111,935.41 : 154,481.76 = 83,591.89 : x
2. Step 2: Convert to fraction form
   111,935.41/154,481.76 = 83,591.89/x
3. Step 3: Cross multiply
   111,935.41x = 154,481.76 × 83,591.89
4. Step 4: Simplify right side
   111,935.41x = 12,913,421,902.72
5. Step 5: Solve for x
   x = 12,913,421,902.72/111,935.41
6. Step 6: Final answer
   x = 115,364.94