Finding the Fourth Proportional to 10,492.56, 14,479.56 and 5,777.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,492.56 : 14,479.56 = 5,777.28 : x
2. Step 2: Convert to fraction form
   10,492.56/14,479.56 = 5,777.28/x
3. Step 3: Cross multiply
   10,492.56x = 14,479.56 × 5,777.28
4. Step 4: Simplify right side
   10,492.56x = 83,652,472.40
5. Step 5: Solve for x
   x = 83,652,472.40/10,492.56
6. Step 6: Final answer
   x = 7,972.55