Finding the Fourth Proportional to 1,400.99, 1,935.83 and 1,108.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.99 : 1,935.83 = 1,108.58 : x
2. Step 2: Convert to fraction form
   1,400.99/1,935.83 = 1,108.58/x
3. Step 3: Cross multiply
   1,400.99x = 1,935.83 × 1,108.58
4. Step 4: Simplify right side
   1,400.99x = 2,146,015.51
5. Step 5: Solve for x
   x = 2,146,015.51/1,400.99
6. Step 6: Final answer
   x = 1,531.79