Finding the Fourth Proportional to 7,925.25, 11,947.37 and 7,390.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,925.25 : 11,947.37 = 7,390.18 : x
2. Step 2: Convert to fraction form
   7,925.25/11,947.37 = 7,390.18/x
3. Step 3: Cross multiply
   7,925.25x = 11,947.37 × 7,390.18
4. Step 4: Simplify right side
   7,925.25x = 88,293,214.83
5. Step 5: Solve for x
   x = 88,293,214.83/7,925.25
6. Step 6: Final answer
   x = 11,140.75