Finding the Fourth Proportional to 10,052.79, 15,074.30 and 3,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,052.79 : 15,074.30 = 3,031.50 : x
2. Step 2: Convert to fraction form
   10,052.79/15,074.30 = 3,031.50/x
3. Step 3: Cross multiply
   10,052.79x = 15,074.30 × 3,031.50
4. Step 4: Simplify right side
   10,052.79x = 45,697,725.29
5. Step 5: Solve for x
   x = 45,697,725.29/10,052.79
6. Step 6: Final answer
   x = 4,545.78