Finding the Fourth Proportional to 1,426.28, 2,135.06 and 1,060.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.28 : 2,135.06 = 1,060.16 : x
2. Step 2: Convert to fraction form
   1,426.28/2,135.06 = 1,060.16/x
3. Step 3: Cross multiply
   1,426.28x = 2,135.06 × 1,060.16
4. Step 4: Simplify right side
   1,426.28x = 2,263,499.91
5. Step 5: Solve for x
   x = 2,263,499.91/1,426.28
6. Step 6: Final answer
   x = 1,587.00