Finding the Fourth Proportional to 1,880.17, 2,594.42 and 1,040.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,880.17 : 2,594.42 = 1,040.76 : x
2. Step 2: Convert to fraction form
   1,880.17/2,594.42 = 1,040.76/x
3. Step 3: Cross multiply
   1,880.17x = 2,594.42 × 1,040.76
4. Step 4: Simplify right side
   1,880.17x = 2,700,168.56
5. Step 5: Solve for x
   x = 2,700,168.56/1,880.17
6. Step 6: Final answer
   x = 1,436.13