Finding the Fourth Proportional to 39,964.32, 59,924.72 and 12,258.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,964.32 : 59,924.72 = 12,258.72 : x
2. Step 2: Convert to fraction form
   39,964.32/59,924.72 = 12,258.72/x
3. Step 3: Cross multiply
   39,964.32x = 59,924.72 × 12,258.72
4. Step 4: Simplify right side
   39,964.32x = 734,600,363.56
5. Step 5: Solve for x
   x = 734,600,363.56/39,964.32
6. Step 6: Final answer
   x = 18,381.41