Finding the Fourth Proportional to 2,618.22, 3,925.71 and 1,230.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.22 : 3,925.71 = 1,230.69 : x
2. Step 2: Convert to fraction form
   2,618.22/3,925.71 = 1,230.69/x
3. Step 3: Cross multiply
   2,618.22x = 3,925.71 × 1,230.69
4. Step 4: Simplify right side
   2,618.22x = 4,831,332.04
5. Step 5: Solve for x
   x = 4,831,332.04/2,618.22
6. Step 6: Final answer
   x = 1,845.27