Finding the Fourth Proportional to 7,006.42, 10,499.91 and 3,539.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,006.42 : 10,499.91 = 3,539.62 : x
2. Step 2: Convert to fraction form
   7,006.42/10,499.91 = 3,539.62/x
3. Step 3: Cross multiply
   7,006.42x = 10,499.91 × 3,539.62
4. Step 4: Simplify right side
   7,006.42x = 37,165,691.43
5. Step 5: Solve for x
   x = 37,165,691.43/7,006.42
6. Step 6: Final answer
   x = 5,304.52