Finding the Fourth Proportional to 1,435.74, 2,155.05 and 1,114.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.74 : 2,155.05 = 1,114.62 : x
2. Step 2: Convert to fraction form
   1,435.74/2,155.05 = 1,114.62/x
3. Step 3: Cross multiply
   1,435.74x = 2,155.05 × 1,114.62
4. Step 4: Simplify right side
   1,435.74x = 2,402,061.83
5. Step 5: Solve for x
   x = 2,402,061.83/1,435.74
6. Step 6: Final answer
   x = 1,673.05