Finding the Fourth Proportional to 12,948.75, 17,870.49 and 7,359.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,948.75 : 17,870.49 = 7,359.75 : x
2. Step 2: Convert to fraction form
   12,948.75/17,870.49 = 7,359.75/x
3. Step 3: Cross multiply
   12,948.75x = 17,870.49 × 7,359.75
4. Step 4: Simplify right side
   12,948.75x = 131,522,338.78
5. Step 5: Solve for x
   x = 131,522,338.78/12,948.75
6. Step 6: Final answer
   x = 10,157.15