Finding the Fourth Proportional to 9,152.50, 12,630.72 and 5,614.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152.50 : 12,630.72 = 5,614.96 : x
2. Step 2: Convert to fraction form
   9,152.50/12,630.72 = 5,614.96/x
3. Step 3: Cross multiply
   9,152.50x = 12,630.72 × 5,614.96
4. Step 4: Simplify right side
   9,152.50x = 70,920,987.57
5. Step 5: Solve for x
   x = 70,920,987.57/9,152.50
6. Step 6: Final answer
   x = 7,748.81