Finding the Fourth Proportional to 1,856.23, 2,561.42 and 1,016.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.23 : 2,561.42 = 1,016.93 : x
2. Step 2: Convert to fraction form
   1,856.23/2,561.42 = 1,016.93/x
3. Step 3: Cross multiply
   1,856.23x = 2,561.42 × 1,016.93
4. Step 4: Simplify right side
   1,856.23x = 2,604,784.84
5. Step 5: Solve for x
   x = 2,604,784.84/1,856.23
6. Step 6: Final answer
   x = 1,403.27