Finding the Fourth Proportional to 2,308.32, 3,463.86 and 847.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.32 : 3,463.86 = 847.62 : x
2. Step 2: Convert to fraction form
   2,308.32/3,463.86 = 847.62/x
3. Step 3: Cross multiply
   2,308.32x = 3,463.86 × 847.62
4. Step 4: Simplify right side
   2,308.32x = 2,936,037.01
5. Step 5: Solve for x
   x = 2,936,037.01/2,308.32
6. Step 6: Final answer
   x = 1,271.94