Finding the Fourth Proportional to 11,500.84, 15,868.32 and 7,022.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,500.84 : 15,868.32 = 7,022.92 : x
2. Step 2: Convert to fraction form
   11,500.84/15,868.32 = 7,022.92/x
3. Step 3: Cross multiply
   11,500.84x = 15,868.32 × 7,022.92
4. Step 4: Simplify right side
   11,500.84x = 111,441,941.89
5. Step 5: Solve for x
   x = 111,441,941.89/11,500.84
6. Step 6: Final answer
   x = 9,689.90