Finding the Fourth Proportional to 1,858.24, 2,564.02 and 1,061.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.24 : 2,564.02 = 1,061.56 : x
2. Step 2: Convert to fraction form
   1,858.24/2,564.02 = 1,061.56/x
3. Step 3: Cross multiply
   1,858.24x = 2,564.02 × 1,061.56
4. Step 4: Simplify right side
   1,858.24x = 2,721,861.07
5. Step 5: Solve for x
   x = 2,721,861.07/1,858.24
6. Step 6: Final answer
   x = 1,464.75