Finding the Fourth Proportional to 1,375.35, 1,899.55 and 932.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.35 : 1,899.55 = 932.48 : x
2. Step 2: Convert to fraction form
   1,375.35/1,899.55 = 932.48/x
3. Step 3: Cross multiply
   1,375.35x = 1,899.55 × 932.48
4. Step 4: Simplify right side
   1,375.35x = 1,771,291.26
5. Step 5: Solve for x
   x = 1,771,291.26/1,375.35
6. Step 6: Final answer
   x = 1,287.89