Finding the Fourth Proportional to 1,434.60, 1,978.26 and 1,014.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.60 : 1,978.26 = 1,014.76 : x
2. Step 2: Convert to fraction form
   1,434.60/1,978.26 = 1,014.76/x
3. Step 3: Cross multiply
   1,434.60x = 1,978.26 × 1,014.76
4. Step 4: Simplify right side
   1,434.60x = 2,007,459.12
5. Step 5: Solve for x
   x = 2,007,459.12/1,434.60
6. Step 6: Final answer
   x = 1,399.32