Finding the Fourth Proportional to 1,858.56, 2,564.86 and 1,150.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.56 : 2,564.86 = 1,150.52 : x
2. Step 2: Convert to fraction form
   1,858.56/2,564.86 = 1,150.52/x
3. Step 3: Cross multiply
   1,858.56x = 2,564.86 × 1,150.52
4. Step 4: Simplify right side
   1,858.56x = 2,950,909.90
5. Step 5: Solve for x
   x = 2,950,909.90/1,858.56
6. Step 6: Final answer
   x = 1,587.74