Finding the Fourth Proportional to 111,658.01, 154,070.71 and 66,334.83

Step by Step Solution

1. Step 1: Write the proportion equation
   111,658.01 : 154,070.71 = 66,334.83 : x
2. Step 2: Convert to fraction form
   111,658.01/154,070.71 = 66,334.83/x
3. Step 3: Cross multiply
   111,658.01x = 154,070.71 × 66,334.83
4. Step 4: Simplify right side
   111,658.01x = 10,220,254,232.12
5. Step 5: Solve for x
   x = 10,220,254,232.12/111,658.01
6. Step 6: Final answer
   x = 91,531.76