Finding the Fourth Proportional to 2,591.92, 3,885.92 and 948.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.92 : 3,885.92 = 948.16 : x
2. Step 2: Convert to fraction form
   2,591.92/3,885.92 = 948.16/x
3. Step 3: Cross multiply
   2,591.92x = 3,885.92 × 948.16
4. Step 4: Simplify right side
   2,591.92x = 3,684,473.91
5. Step 5: Solve for x
   x = 3,684,473.91/2,591.92
6. Step 6: Final answer
   x = 1,421.52