Finding the Fourth Proportional to 1,591.59, 2,384.31 and 896.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.59 : 2,384.31 = 896.15 : x
2. Step 2: Convert to fraction form
   1,591.59/2,384.31 = 896.15/x
3. Step 3: Cross multiply
   1,591.59x = 2,384.31 × 896.15
4. Step 4: Simplify right side
   1,591.59x = 2,136,699.41
5. Step 5: Solve for x
   x = 2,136,699.41/1,591.59
6. Step 6: Final answer
   x = 1,342.49