Finding the Fourth Proportional to 9,079.61, 12,528.49 and 5,099.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,079.61 : 12,528.49 = 5,099.96 : x
2. Step 2: Convert to fraction form
   9,079.61/12,528.49 = 5,099.96/x
3. Step 3: Cross multiply
   9,079.61x = 12,528.49 × 5,099.96
4. Step 4: Simplify right side
   9,079.61x = 63,894,709.72
5. Step 5: Solve for x
   x = 63,894,709.72/9,079.61
6. Step 6: Final answer
   x = 7,037.17