Finding the Fourth Proportional to 8,182.90, 12,271.20 and 3,499.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,182.90 : 12,271.20 = 3,499.93 : x
2. Step 2: Convert to fraction form
   8,182.90/12,271.20 = 3,499.93/x
3. Step 3: Cross multiply
   8,182.90x = 12,271.20 × 3,499.93
4. Step 4: Simplify right side
   8,182.90x = 42,948,341.02
5. Step 5: Solve for x
   x = 42,948,341.02/8,182.90
6. Step 6: Final answer
   x = 5,248.55