Finding the Fourth Proportional to 10,492.77, 14,479.96 and 5,776.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,492.77 : 14,479.96 = 5,776.77 : x
2. Step 2: Convert to fraction form
   10,492.77/14,479.96 = 5,776.77/x
3. Step 3: Cross multiply
   10,492.77x = 14,479.96 × 5,776.77
4. Step 4: Simplify right side
   10,492.77x = 83,647,398.53
5. Step 5: Solve for x
   x = 83,647,398.53/10,492.77
6. Step 6: Final answer
   x = 7,971.91