Finding the Fourth Proportional to 11,160.15, 16,744.59 and 4,915.77

Step by Step Solution

1. Step 1: Write the proportion equation
   11,160.15 : 16,744.59 = 4,915.77 : x
2. Step 2: Convert to fraction form
   11,160.15/16,744.59 = 4,915.77/x
3. Step 3: Cross multiply
   11,160.15x = 16,744.59 × 4,915.77
4. Step 4: Simplify right side
   11,160.15x = 82,312,528.61
5. Step 5: Solve for x
   x = 82,312,528.61/11,160.15
6. Step 6: Final answer
   x = 7,375.58