Finding the Fourth Proportional to 1,731.30, 2,388.79 and 1,068.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731.30 : 2,388.79 = 1,068.18 : x
2. Step 2: Convert to fraction form
   1,731.30/2,388.79 = 1,068.18/x
3. Step 3: Cross multiply
   1,731.30x = 2,388.79 × 1,068.18
4. Step 4: Simplify right side
   1,731.30x = 2,551,657.70
5. Step 5: Solve for x
   x = 2,551,657.70/1,731.30
6. Step 6: Final answer
   x = 1,473.84