Finding the Fourth Proportional to 2,045.15, 3,068.94 and 1,120.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.15 : 3,068.94 = 1,120.53 : x
2. Step 2: Convert to fraction form
   2,045.15/3,068.94 = 1,120.53/x
3. Step 3: Cross multiply
   2,045.15x = 3,068.94 × 1,120.53
4. Step 4: Simplify right side
   2,045.15x = 3,438,839.34
5. Step 5: Solve for x
   x = 3,438,839.34/2,045.15
6. Step 6: Final answer
   x = 1,681.46