Finding the Fourth Proportional to 1,581.25, 2,368.77 and 1,491.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581.25 : 2,368.77 = 1,491.34 : x
2. Step 2: Convert to fraction form
   1,581.25/2,368.77 = 1,491.34/x
3. Step 3: Cross multiply
   1,581.25x = 2,368.77 × 1,491.34
4. Step 4: Simplify right side
   1,581.25x = 3,532,641.45
5. Step 5: Solve for x
   x = 3,532,641.45/1,581.25
6. Step 6: Final answer
   x = 2,234.08