Finding the Fourth Proportional to 2,053.55, 3,079.64 and 1,130.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.55 : 3,079.64 = 1,130.15 : x
2. Step 2: Convert to fraction form
   2,053.55/3,079.64 = 1,130.15/x
3. Step 3: Cross multiply
   2,053.55x = 3,079.64 × 1,130.15
4. Step 4: Simplify right side
   2,053.55x = 3,480,434.10
5. Step 5: Solve for x
   x = 3,480,434.10/2,053.55
6. Step 6: Final answer
   x = 1,694.84