Finding the Fourth Proportional to 111,550.83, 153,810.08 and 83,207.31

Step by Step Solution

1. Step 1: Write the proportion equation
   111,550.83 : 153,810.08 = 83,207.31 : x
2. Step 2: Convert to fraction form
   111,550.83/153,810.08 = 83,207.31/x
3. Step 3: Cross multiply
   111,550.83x = 153,810.08 × 83,207.31
4. Step 4: Simplify right side
   111,550.83x = 12,798,121,822.60
5. Step 5: Solve for x
   x = 12,798,121,822.60/111,550.83
6. Step 6: Final answer
   x = 114,729.06