Finding the Fourth Proportional to 1,625.73, 2,436.89 and 802.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,625.73 : 2,436.89 = 802.31 : x
2. Step 2: Convert to fraction form
   1,625.73/2,436.89 = 802.31/x
3. Step 3: Cross multiply
   1,625.73x = 2,436.89 × 802.31
4. Step 4: Simplify right side
   1,625.73x = 1,955,125.02
5. Step 5: Solve for x
   x = 1,955,125.02/1,625.73
6. Step 6: Final answer
   x = 1,202.61