Finding the Fourth Proportional to 9,483.17, 13,086.29 and 5,290.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,483.17 : 13,086.29 = 5,290.61 : x
2. Step 2: Convert to fraction form
   9,483.17/13,086.29 = 5,290.61/x
3. Step 3: Cross multiply
   9,483.17x = 13,086.29 × 5,290.61
4. Step 4: Simplify right side
   9,483.17x = 69,234,404.53
5. Step 5: Solve for x
   x = 69,234,404.53/9,483.17
6. Step 6: Final answer
   x = 7,300.77