Finding the Fourth Proportional to 1,858.52, 2,564.62 and 1,061.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.52 : 2,564.62 = 1,061.96 : x
2. Step 2: Convert to fraction form
   1,858.52/2,564.62 = 1,061.96/x
3. Step 3: Cross multiply
   1,858.52x = 2,564.62 × 1,061.96
4. Step 4: Simplify right side
   1,858.52x = 2,723,508.38
5. Step 5: Solve for x
   x = 2,723,508.38/1,858.52
6. Step 6: Final answer
   x = 1,465.42