Finding the Fourth Proportional to 1,595.10, 2,393.32 and 978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,595.10 : 2,393.32 = 978.82 : x
2. Step 2: Convert to fraction form
   1,595.10/2,393.32 = 978.82/x
3. Step 3: Cross multiply
   1,595.10x = 2,393.32 × 978.82
4. Step 4: Simplify right side
   1,595.10x = 2,342,629.48
5. Step 5: Solve for x
   x = 2,342,629.48/1,595.10
6. Step 6: Final answer
   x = 1,468.64