Finding the Fourth Proportional to 2,591.16, 3,884.58 and 947.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.16 : 3,884.58 = 947.52 : x
2. Step 2: Convert to fraction form
   2,591.16/3,884.58 = 947.52/x
3. Step 3: Cross multiply
   2,591.16x = 3,884.58 × 947.52
4. Step 4: Simplify right side
   2,591.16x = 3,680,717.24
5. Step 5: Solve for x
   x = 3,680,717.24/2,591.16
6. Step 6: Final answer
   x = 1,420.49