Finding the Fourth Proportional to 12,022.52, 16,591.92 and 7,830.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,022.52 : 16,591.92 = 7,830.77 : x
2. Step 2: Convert to fraction form
   12,022.52/16,591.92 = 7,830.77/x
3. Step 3: Cross multiply
   12,022.52x = 16,591.92 × 7,830.77
4. Step 4: Simplify right side
   12,022.52x = 129,927,509.38
5. Step 5: Solve for x
   x = 129,927,509.38/12,022.52
6. Step 6: Final answer
   x = 10,807.01