Finding the Fourth Proportional to 3,635.01, 5,014.31 and 2,142.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,635.01 : 5,014.31 = 2,142.72 : x
2. Step 2: Convert to fraction form
   3,635.01/5,014.31 = 2,142.72/x
3. Step 3: Cross multiply
   3,635.01x = 5,014.31 × 2,142.72
4. Step 4: Simplify right side
   3,635.01x = 10,744,251.61
5. Step 5: Solve for x
   x = 10,744,251.61/3,635.01
6. Step 6: Final answer
   x = 2,955.77