Finding the Fourth Proportional to 10,615.48, 14,648.56 and 5,899.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,615.48 : 14,648.56 = 5,899.36 : x
2. Step 2: Convert to fraction form
   10,615.48/14,648.56 = 5,899.36/x
3. Step 3: Cross multiply
   10,615.48x = 14,648.56 × 5,899.36
4. Step 4: Simplify right side
   10,615.48x = 86,417,128.92
5. Step 5: Solve for x
   x = 86,417,128.92/10,615.48
6. Step 6: Final answer
   x = 8,140.67