Finding the Fourth Proportional to 1,432.31, 1,976.57 and 802.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.31 : 1,976.57 = 802.94 : x
2. Step 2: Convert to fraction form
   1,432.31/1,976.57 = 802.94/x
3. Step 3: Cross multiply
   1,432.31x = 1,976.57 × 802.94
4. Step 4: Simplify right side
   1,432.31x = 1,587,053.22
5. Step 5: Solve for x
   x = 1,587,053.22/1,432.31
6. Step 6: Final answer
   x = 1,108.04