Finding the Fourth Proportional to 1,362.50, 1,880.25 and 802.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.50 : 1,880.25 = 802.98 : x
2. Step 2: Convert to fraction form
   1,362.50/1,880.25 = 802.98/x
3. Step 3: Cross multiply
   1,362.50x = 1,880.25 × 802.98
4. Step 4: Simplify right side
   1,362.50x = 1,509,803.15
5. Step 5: Solve for x
   x = 1,509,803.15/1,362.50
6. Step 6: Final answer
   x = 1,108.12