Finding the Fourth Proportional to 12,575.32, 18,870.91 and 7,032.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,575.32 : 18,870.91 = 7,032.30 : x
2. Step 2: Convert to fraction form
   12,575.32/18,870.91 = 7,032.30/x
3. Step 3: Cross multiply
   12,575.32x = 18,870.91 × 7,032.30
4. Step 4: Simplify right side
   12,575.32x = 132,705,900.39
5. Step 5: Solve for x
   x = 132,705,900.39/12,575.32
6. Step 6: Final answer
   x = 10,552.88