Finding the Fourth Proportional to 1,375.30, 2,059.43 and 758.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.30 : 2,059.43 = 758.32 : x
2. Step 2: Convert to fraction form
   1,375.30/2,059.43 = 758.32/x
3. Step 3: Cross multiply
   1,375.30x = 2,059.43 × 758.32
4. Step 4: Simplify right side
   1,375.30x = 1,561,699.47
5. Step 5: Solve for x
   x = 1,561,699.47/1,375.30
6. Step 6: Final answer
   x = 1,135.54