Finding the Fourth Proportional to 10,615.52, 14,648.10 and 5,900.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,615.52 : 14,648.10 = 5,900.78 : x
2. Step 2: Convert to fraction form
   10,615.52/14,648.10 = 5,900.78/x
3. Step 3: Cross multiply
   10,615.52x = 14,648.10 × 5,900.78
4. Step 4: Simplify right side
   10,615.52x = 86,435,215.52
5. Step 5: Solve for x
   x = 86,435,215.52/10,615.52
6. Step 6: Final answer
   x = 8,142.34