Finding the Fourth Proportional to 1,850.15, 2,553.69 and 1,142.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,850.15 : 2,553.69 = 1,142.61 : x
2. Step 2: Convert to fraction form
   1,850.15/2,553.69 = 1,142.61/x
3. Step 3: Cross multiply
   1,850.15x = 2,553.69 × 1,142.61
4. Step 4: Simplify right side
   1,850.15x = 2,917,866.44
5. Step 5: Solve for x
   x = 2,917,866.44/1,850.15
6. Step 6: Final answer
   x = 1,577.10