Finding the Fourth Proportional to 1,068.40, 1,593.59 and 974.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.40 : 1,593.59 = 974.08 : x
2. Step 2: Convert to fraction form
   1,068.40/1,593.59 = 974.08/x
3. Step 3: Cross multiply
   1,068.40x = 1,593.59 × 974.08
4. Step 4: Simplify right side
   1,068.40x = 1,552,284.15
5. Step 5: Solve for x
   x = 1,552,284.15/1,068.40
6. Step 6: Final answer
   x = 1,452.91