Finding the Fourth Proportional to 7,059.89, 9,742.27 and 3,915.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,059.89 : 9,742.27 = 3,915.88 : x
2. Step 2: Convert to fraction form
   7,059.89/9,742.27 = 3,915.88/x
3. Step 3: Cross multiply
   7,059.89x = 9,742.27 × 3,915.88
4. Step 4: Simplify right side
   7,059.89x = 38,149,560.25
5. Step 5: Solve for x
   x = 38,149,560.25/7,059.89
6. Step 6: Final answer
   x = 5,403.70