Finding the Fourth Proportional to 45,434.72, 62,698.98 and 28,448.34

Step by Step Solution

1. Step 1: Write the proportion equation
   45,434.72 : 62,698.98 = 28,448.34 : x
2. Step 2: Convert to fraction form
   45,434.72/62,698.98 = 28,448.34/x
3. Step 3: Cross multiply
   45,434.72x = 62,698.98 × 28,448.34
4. Step 4: Simplify right side
   45,434.72x = 1,783,681,900.69
5. Step 5: Solve for x
   x = 1,783,681,900.69/45,434.72
6. Step 6: Final answer
   x = 39,258.12