Finding the Fourth Proportional to 1,470.19, 2,028.89 and 807.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,470.19 : 2,028.89 = 807.03 : x
2. Step 2: Convert to fraction form
   1,470.19/2,028.89 = 807.03/x
3. Step 3: Cross multiply
   1,470.19x = 2,028.89 × 807.03
4. Step 4: Simplify right side
   1,470.19x = 1,637,375.10
5. Step 5: Solve for x
   x = 1,637,375.10/1,470.19
6. Step 6: Final answer
   x = 1,113.72