Finding the Fourth Proportional to 2,123.06, 2,931.24 and 1,327.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.06 : 2,931.24 = 1,327.59 : x
2. Step 2: Convert to fraction form
   2,123.06/2,931.24 = 1,327.59/x
3. Step 3: Cross multiply
   2,123.06x = 2,931.24 × 1,327.59
4. Step 4: Simplify right side
   2,123.06x = 3,891,482.42
5. Step 5: Solve for x
   x = 3,891,482.42/2,123.06
6. Step 6: Final answer
   x = 1,832.96