Finding the Fourth Proportional to 2,630.30, 3,936.33 and 1,901.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.30 : 3,936.33 = 1,901.30 : x
2. Step 2: Convert to fraction form
   2,630.30/3,936.33 = 1,901.30/x
3. Step 3: Cross multiply
   2,630.30x = 3,936.33 × 1,901.30
4. Step 4: Simplify right side
   2,630.30x = 7,484,124.55
5. Step 5: Solve for x
   x = 7,484,124.55/2,630.30
6. Step 6: Final answer
   x = 2,845.36