Finding the Fourth Proportional to 1,401.66, 1,931.85 and 1,027.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.66 : 1,931.85 = 1,027.86 : x
2. Step 2: Convert to fraction form
   1,401.66/1,931.85 = 1,027.86/x
3. Step 3: Cross multiply
   1,401.66x = 1,931.85 × 1,027.86
4. Step 4: Simplify right side
   1,401.66x = 1,985,671.34
5. Step 5: Solve for x
   x = 1,985,671.34/1,401.66
6. Step 6: Final answer
   x = 1,416.66