Finding the Fourth Proportional to 1,395.32, 1,923.60 and 975.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.32 : 1,923.60 = 975.08 : x
2. Step 2: Convert to fraction form
   1,395.32/1,923.60 = 975.08/x
3. Step 3: Cross multiply
   1,395.32x = 1,923.60 × 975.08
4. Step 4: Simplify right side
   1,395.32x = 1,875,663.89
5. Step 5: Solve for x
   x = 1,875,663.89/1,395.32
6. Step 6: Final answer
   x = 1,344.25