Finding the Fourth Proportional to 9,080.88, 13,630.86 and 8,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,080.88 : 13,630.86 = 8,047.50 : x
2. Step 2: Convert to fraction form
   9,080.88/13,630.86 = 8,047.50/x
3. Step 3: Cross multiply
   9,080.88x = 13,630.86 × 8,047.50
4. Step 4: Simplify right side
   9,080.88x = 109,694,345.85
5. Step 5: Solve for x
   x = 109,694,345.85/9,080.88
6. Step 6: Final answer
   x = 12,079.70