Finding the Fourth Proportional to 8,948.09, 12,345.86 and 5,594.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,948.09 : 12,345.86 = 5,594.31 : x
2. Step 2: Convert to fraction form
   8,948.09/12,345.86 = 5,594.31/x
3. Step 3: Cross multiply
   8,948.09x = 12,345.86 × 5,594.31
4. Step 4: Simplify right side
   8,948.09x = 69,066,540.09
5. Step 5: Solve for x
   x = 69,066,540.09/8,948.09
6. Step 6: Final answer
   x = 7,718.58