Finding the Fourth Proportional to 83,279.59, 114,940.35 and 80,511.61

Step by Step Solution

1. Step 1: Write the proportion equation
   83,279.59 : 114,940.35 = 80,511.61 : x
2. Step 2: Convert to fraction form
   83,279.59/114,940.35 = 80,511.61/x
3. Step 3: Cross multiply
   83,279.59x = 114,940.35 × 80,511.61
4. Step 4: Simplify right side
   83,279.59x = 9,254,032,632.46
5. Step 5: Solve for x
   x = 9,254,032,632.46/83,279.59
6. Step 6: Final answer
   x = 111,120.06