Finding the Fourth Proportional to 1,027.83, 1,417.61 and 909.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,027.83 : 1,417.61 = 909.93 : x
2. Step 2: Convert to fraction form
   1,027.83/1,417.61 = 909.93/x
3. Step 3: Cross multiply
   1,027.83x = 1,417.61 × 909.93
4. Step 4: Simplify right side
   1,027.83x = 1,289,921.32
5. Step 5: Solve for x
   x = 1,289,921.32/1,027.83
6. Step 6: Final answer
   x = 1,254.99