Finding the Fourth Proportional to 8,925.88, 12,312.15 and 5,743.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,925.88 : 12,312.15 = 5,743.32 : x
2. Step 2: Convert to fraction form
   8,925.88/12,312.15 = 5,743.32/x
3. Step 3: Cross multiply
   8,925.88x = 12,312.15 × 5,743.32
4. Step 4: Simplify right side
   8,925.88x = 70,712,617.34
5. Step 5: Solve for x
   x = 70,712,617.34/8,925.88
6. Step 6: Final answer
   x = 7,922.20