Finding the Fourth Proportional to 9,074.32, 12,530.44 and 5,723.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,074.32 : 12,530.44 = 5,723.12 : x
2. Step 2: Convert to fraction form
   9,074.32/12,530.44 = 5,723.12/x
3. Step 3: Cross multiply
   9,074.32x = 12,530.44 × 5,723.12
4. Step 4: Simplify right side
   9,074.32x = 71,713,211.77
5. Step 5: Solve for x
   x = 71,713,211.77/9,074.32
6. Step 6: Final answer
   x = 7,902.87