Finding the Fourth Proportional to 10,492.79, 14,480.03 and 5,777.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,492.79 : 14,480.03 = 5,777.08 : x
2. Step 2: Convert to fraction form
   10,492.79/14,480.03 = 5,777.08/x
3. Step 3: Cross multiply
   10,492.79x = 14,480.03 × 5,777.08
4. Step 4: Simplify right side
   10,492.79x = 83,652,269.96
5. Step 5: Solve for x
   x = 83,652,269.96/10,492.79
6. Step 6: Final answer
   x = 7,972.36