Finding the Fourth Proportional to 1,114.10, 1,671.55 and 1,074.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114.10 : 1,671.55 = 1,074.10 : x
2. Step 2: Convert to fraction form
   1,114.10/1,671.55 = 1,074.10/x
3. Step 3: Cross multiply
   1,114.10x = 1,671.55 × 1,074.10
4. Step 4: Simplify right side
   1,114.10x = 1,795,411.86
5. Step 5: Solve for x
   x = 1,795,411.86/1,114.10
6. Step 6: Final answer
   x = 1,611.54