Finding the Fourth Proportional to 1,789.30, 2,684.83 and 802.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.30 : 2,684.83 = 802.40 : x
2. Step 2: Convert to fraction form
   1,789.30/2,684.83 = 802.40/x
3. Step 3: Cross multiply
   1,789.30x = 2,684.83 × 802.40
4. Step 4: Simplify right side
   1,789.30x = 2,154,307.59
5. Step 5: Solve for x
   x = 2,154,307.59/1,789.30
6. Step 6: Final answer
   x = 1,203.99