Finding the Fourth Proportional to 2,425.18, 3,634.52 and 1,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.18 : 3,634.52 = 1,385.50 : x
2. Step 2: Convert to fraction form
   2,425.18/3,634.52 = 1,385.50/x
3. Step 3: Cross multiply
   2,425.18x = 3,634.52 × 1,385.50
4. Step 4: Simplify right side
   2,425.18x = 5,035,627.46
5. Step 5: Solve for x
   x = 5,035,627.46/2,425.18
6. Step 6: Final answer
   x = 2,076.39