Finding the Fourth Proportional to 1,068.40, 1,600.52 and 702.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.40 : 1,600.52 = 702.07 : x
2. Step 2: Convert to fraction form
   1,068.40/1,600.52 = 702.07/x
3. Step 3: Cross multiply
   1,068.40x = 1,600.52 × 702.07
4. Step 4: Simplify right side
   1,068.40x = 1,123,673.57
5. Step 5: Solve for x
   x = 1,123,673.57/1,068.40
6. Step 6: Final answer
   x = 1,051.74