Finding the Fourth Proportional to 9,130.86, 12,600.69 and 5,152.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,130.86 : 12,600.69 = 5,152.02 : x
2. Step 2: Convert to fraction form
   9,130.86/12,600.69 = 5,152.02/x
3. Step 3: Cross multiply
   9,130.86x = 12,600.69 × 5,152.02
4. Step 4: Simplify right side
   9,130.86x = 64,919,006.89
5. Step 5: Solve for x
   x = 64,919,006.89/9,130.86
6. Step 6: Final answer
   x = 7,109.85