Finding the Fourth Proportional to 1,470.57, 2,029.41 and 807.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,470.57 : 2,029.41 = 807.45 : x
2. Step 2: Convert to fraction form
   1,470.57/2,029.41 = 807.45/x
3. Step 3: Cross multiply
   1,470.57x = 2,029.41 × 807.45
4. Step 4: Simplify right side
   1,470.57x = 1,638,647.10
5. Step 5: Solve for x
   x = 1,638,647.10/1,470.57
6. Step 6: Final answer
   x = 1,114.29