Finding the Fourth Proportional to 7,915.64, 10,927.96 and 5,401.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,915.64 : 10,927.96 = 5,401.49 : x
2. Step 2: Convert to fraction form
   7,915.64/10,927.96 = 5,401.49/x
3. Step 3: Cross multiply
   7,915.64x = 10,927.96 × 5,401.49
4. Step 4: Simplify right side
   7,915.64x = 59,027,198.52
5. Step 5: Solve for x
   x = 59,027,198.52/7,915.64
6. Step 6: Final answer
   x = 7,457.04