Finding the Fourth Proportional to 5,774.31, 8,655.71 and 2,259.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,774.31 : 8,655.71 = 2,259.50 : x
2. Step 2: Convert to fraction form
   5,774.31/8,655.71 = 2,259.50/x
3. Step 3: Cross multiply
   5,774.31x = 8,655.71 × 2,259.50
4. Step 4: Simplify right side
   5,774.31x = 19,557,522.17
5. Step 5: Solve for x
   x = 19,557,522.17/5,774.31
6. Step 6: Final answer
   x = 3,386.99