Finding the Fourth Proportional to 11,124.16, 16,690.89 and 4,880.95

Step by Step Solution

1. Step 1: Write the proportion equation
   11,124.16 : 16,690.89 = 4,880.95 : x
2. Step 2: Convert to fraction form
   11,124.16/16,690.89 = 4,880.95/x
3. Step 3: Cross multiply
   11,124.16x = 16,690.89 × 4,880.95
4. Step 4: Simplify right side
   11,124.16x = 81,467,399.55
5. Step 5: Solve for x
   x = 81,467,399.55/11,124.16
6. Step 6: Final answer
   x = 7,323.47