Finding the Fourth Proportional to 2,426.78, 3,347.71 and 1,577.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.78 : 3,347.71 = 1,577.22 : x
2. Step 2: Convert to fraction form
   2,426.78/3,347.71 = 1,577.22/x
3. Step 3: Cross multiply
   2,426.78x = 3,347.71 × 1,577.22
4. Step 4: Simplify right side
   2,426.78x = 5,280,071.22
5. Step 5: Solve for x
   x = 5,280,071.22/2,426.78
6. Step 6: Final answer
   x = 2,175.76