Finding the Fourth Proportional to 12,807.05, 17,675.86 and 7,432.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807.05 : 17,675.86 = 7,432.67 : x
2. Step 2: Convert to fraction form
   12,807.05/17,675.86 = 7,432.67/x
3. Step 3: Cross multiply
   12,807.05x = 17,675.86 × 7,432.67
4. Step 4: Simplify right side
   12,807.05x = 131,378,901.76
5. Step 5: Solve for x
   x = 131,378,901.76/12,807.05
6. Step 6: Final answer
   x = 10,258.32