Finding the Fourth Proportional to 1,470.32, 2,029.06 and 807.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,470.32 : 2,029.06 = 807.15 : x
2. Step 2: Convert to fraction form
   1,470.32/2,029.06 = 807.15/x
3. Step 3: Cross multiply
   1,470.32x = 2,029.06 × 807.15
4. Step 4: Simplify right side
   1,470.32x = 1,637,764.40
5. Step 5: Solve for x
   x = 1,637,764.40/1,470.32
6. Step 6: Final answer
   x = 1,113.88