Finding the Fourth Proportional to 10,492.40, 14,479.52 and 5,776.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,492.40 : 14,479.52 = 5,776.68 : x
2. Step 2: Convert to fraction form
   10,492.40/14,479.52 = 5,776.68/x
3. Step 3: Cross multiply
   10,492.40x = 14,479.52 × 5,776.68
4. Step 4: Simplify right side
   10,492.40x = 83,643,553.59
5. Step 5: Solve for x
   x = 83,643,553.59/10,492.40
6. Step 6: Final answer
   x = 7,971.82