Finding the Fourth Proportional to 1,580.25, 2,367.27 and 1,490.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580.25 : 2,367.27 = 1,490.34 : x
2. Step 2: Convert to fraction form
   1,580.25/2,367.27 = 1,490.34/x
3. Step 3: Cross multiply
   1,580.25x = 2,367.27 × 1,490.34
4. Step 4: Simplify right side
   1,580.25x = 3,528,037.17
5. Step 5: Solve for x
   x = 3,528,037.17/1,580.25
6. Step 6: Final answer
   x = 2,232.58