Finding the Fourth Proportional to 1,750.71, 2,415.89 and 1,004.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,750.71 : 2,415.89 = 1,004.15 : x
2. Step 2: Convert to fraction form
   1,750.71/2,415.89 = 1,004.15/x
3. Step 3: Cross multiply
   1,750.71x = 2,415.89 × 1,004.15
4. Step 4: Simplify right side
   1,750.71x = 2,425,915.94
5. Step 5: Solve for x
   x = 2,425,915.94/1,750.71
6. Step 6: Final answer
   x = 1,385.68