Finding the Fourth Proportional to 1,068.34, 1,603.95 and 875.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.34 : 1,603.95 = 875.38 : x
2. Step 2: Convert to fraction form
   1,068.34/1,603.95 = 875.38/x
3. Step 3: Cross multiply
   1,068.34x = 1,603.95 × 875.38
4. Step 4: Simplify right side
   1,068.34x = 1,404,065.75
5. Step 5: Solve for x
   x = 1,404,065.75/1,068.34
6. Step 6: Final answer
   x = 1,314.25