Finding the Fourth Proportional to 1,068.83, 1,599.30 and 912.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.83 : 1,599.30 = 912.71 : x
2. Step 2: Convert to fraction form
   1,068.83/1,599.30 = 912.71/x
3. Step 3: Cross multiply
   1,068.83x = 1,599.30 × 912.71
4. Step 4: Simplify right side
   1,068.83x = 1,459,697.10
5. Step 5: Solve for x
   x = 1,459,697.10/1,068.83
6. Step 6: Final answer
   x = 1,365.70