Finding the Fourth Proportional to 10,447.48, 14,417.40 and 5,731.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,447.48 : 14,417.40 = 5,731.76 : x
2. Step 2: Convert to fraction form
   10,447.48/14,417.40 = 5,731.76/x
3. Step 3: Cross multiply
   10,447.48x = 14,417.40 × 5,731.76
4. Step 4: Simplify right side
   10,447.48x = 82,637,134.16
5. Step 5: Solve for x
   x = 82,637,134.16/10,447.48
6. Step 6: Final answer
   x = 7,909.77