Finding the Fourth Proportional to 9,325.95, 12,870.50 and 5,348.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,325.95 : 12,870.50 = 5,348.31 : x
2. Step 2: Convert to fraction form
   9,325.95/12,870.50 = 5,348.31/x
3. Step 3: Cross multiply
   9,325.95x = 12,870.50 × 5,348.31
4. Step 4: Simplify right side
   9,325.95x = 68,835,397.11
5. Step 5: Solve for x
   x = 68,835,397.11/9,325.95
6. Step 6: Final answer
   x = 7,381.06