Finding the Fourth Proportional to 10,447.50, 15,672.71 and 3,052.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,447.50 : 15,672.71 = 3,052.50 : x
2. Step 2: Convert to fraction form
   10,447.50/15,672.71 = 3,052.50/x
3. Step 3: Cross multiply
   10,447.50x = 15,672.71 × 3,052.50
4. Step 4: Simplify right side
   10,447.50x = 47,840,947.28
5. Step 5: Solve for x
   x = 47,840,947.28/10,447.50
6. Step 6: Final answer
   x = 4,579.18