Finding the Fourth Proportional to 3,851.06, 5,315.37 and 2,453

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851.06 : 5,315.37 = 2,453 : x
2. Step 2: Convert to fraction form
   3,851.06/5,315.37 = 2,453/x
3. Step 3: Cross multiply
   3,851.06x = 5,315.37 × 2,453
4. Step 4: Simplify right side
   3,851.06x = 13,038,602.61
5. Step 5: Solve for x
   x = 13,038,602.61/3,851.06
6. Step 6: Final answer
   x = 3,385.72