Finding the Fourth Proportional to 9,279.50, 12,805.98 and 5,088.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.50 : 12,805.98 = 5,088.02 : x
2. Step 2: Convert to fraction form
   9,279.50/12,805.98 = 5,088.02/x
3. Step 3: Cross multiply
   9,279.50x = 12,805.98 × 5,088.02
4. Step 4: Simplify right side
   9,279.50x = 65,157,082.36
5. Step 5: Solve for x
   x = 65,157,082.36/9,279.50
6. Step 6: Final answer
   x = 7,021.62