Finding the Fourth Proportional to 1,858.56, 2,564.82 and 1,112.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.56 : 2,564.82 = 1,112.55 : x
2. Step 2: Convert to fraction form
   1,858.56/2,564.82 = 1,112.55/x
3. Step 3: Cross multiply
   1,858.56x = 2,564.82 × 1,112.55
4. Step 4: Simplify right side
   1,858.56x = 2,853,490.49
5. Step 5: Solve for x
   x = 2,853,490.49/1,858.56
6. Step 6: Final answer
   x = 1,535.32