Finding the Fourth Proportional to 8,080.31, 12,113.91 and 3,634.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,080.31 : 12,113.91 = 3,634.72 : x
2. Step 2: Convert to fraction form
   8,080.31/12,113.91 = 3,634.72/x
3. Step 3: Cross multiply
   8,080.31x = 12,113.91 × 3,634.72
4. Step 4: Simplify right side
   8,080.31x = 44,030,592.21
5. Step 5: Solve for x
   x = 44,030,592.21/8,080.31
6. Step 6: Final answer
   x = 5,449.13