Finding the Fourth Proportional to 2,402.58, 3,601.71 and 863.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.58 : 3,601.71 = 863.22 : x
2. Step 2: Convert to fraction form
   2,402.58/3,601.71 = 863.22/x
3. Step 3: Cross multiply
   2,402.58x = 3,601.71 × 863.22
4. Step 4: Simplify right side
   2,402.58x = 3,109,068.11
5. Step 5: Solve for x
   x = 3,109,068.11/2,402.58
6. Step 6: Final answer
   x = 1,294.05