Finding the Fourth Proportional to 7,059.30, 9,741.49 and 3,915.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,059.30 : 9,741.49 = 3,915.42 : x
2. Step 2: Convert to fraction form
   7,059.30/9,741.49 = 3,915.42/x
3. Step 3: Cross multiply
   7,059.30x = 9,741.49 × 3,915.42
4. Step 4: Simplify right side
   7,059.30x = 38,142,024.78
5. Step 5: Solve for x
   x = 38,142,024.78/7,059.30
6. Step 6: Final answer
   x = 5,403.09