Finding the Fourth Proportional to 1,598.72, 2,393.12 and 866.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.72 : 2,393.12 = 866.48 : x
2. Step 2: Convert to fraction form
   1,598.72/2,393.12 = 866.48/x
3. Step 3: Cross multiply
   1,598.72x = 2,393.12 × 866.48
4. Step 4: Simplify right side
   1,598.72x = 2,073,580.82
5. Step 5: Solve for x
   x = 2,073,580.82/1,598.72
6. Step 6: Final answer
   x = 1,297.03