Finding the Fourth Proportional to 9,130.84, 12,600.56 and 5,152.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,130.84 : 12,600.56 = 5,152.80 : x
2. Step 2: Convert to fraction form
   9,130.84/12,600.56 = 5,152.80/x
3. Step 3: Cross multiply
   9,130.84x = 12,600.56 × 5,152.80
4. Step 4: Simplify right side
   9,130.84x = 64,928,165.57
5. Step 5: Solve for x
   x = 64,928,165.57/9,130.84
6. Step 6: Final answer
   x = 7,110.86