Finding the Fourth Proportional to 1,400.86, 1,932.78 and 1,105.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.86 : 1,932.78 = 1,105.66 : x
2. Step 2: Convert to fraction form
   1,400.86/1,932.78 = 1,105.66/x
3. Step 3: Cross multiply
   1,400.86x = 1,932.78 × 1,105.66
4. Step 4: Simplify right side
   1,400.86x = 2,136,997.53
5. Step 5: Solve for x
   x = 2,136,997.53/1,400.86
6. Step 6: Final answer
   x = 1,525.49