Finding the Fourth Proportional to 1,730.76, 2,389.59 and 1,068.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.76 : 2,389.59 = 1,068.58 : x
2. Step 2: Convert to fraction form
   1,730.76/2,389.59 = 1,068.58/x
3. Step 3: Cross multiply
   1,730.76x = 2,389.59 × 1,068.58
4. Step 4: Simplify right side
   1,730.76x = 2,553,465.41
5. Step 5: Solve for x
   x = 2,553,465.41/1,730.76
6. Step 6: Final answer
   x = 1,475.35