Finding the Fourth Proportional to 3,495.82, 5,238.72 and 2,630.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,495.82 : 5,238.72 = 2,630.74 : x
2. Step 2: Convert to fraction form
   3,495.82/5,238.72 = 2,630.74/x
3. Step 3: Cross multiply
   3,495.82x = 5,238.72 × 2,630.74
4. Step 4: Simplify right side
   3,495.82x = 13,781,710.25
5. Step 5: Solve for x
   x = 13,781,710.25/3,495.82
6. Step 6: Final answer
   x = 3,942.34