Finding the Fourth Proportional to 10,074.34, 15,102.82 and 4,447.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,074.34 : 15,102.82 = 4,447.72 : x
2. Step 2: Convert to fraction form
   10,074.34/15,102.82 = 4,447.72/x
3. Step 3: Cross multiply
   10,074.34x = 15,102.82 × 4,447.72
4. Step 4: Simplify right side
   10,074.34x = 67,173,139.01
5. Step 5: Solve for x
   x = 67,173,139.01/10,074.34
6. Step 6: Final answer
   x = 6,667.75