Finding the Fourth Proportional to 73,462.50, 101,378.34 and 39,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,462.50 : 101,378.34 = 39,928.50 : x
2. Step 2: Convert to fraction form
   73,462.50/101,378.34 = 39,928.50/x
3. Step 3: Cross multiply
   73,462.50x = 101,378.34 × 39,928.50
4. Step 4: Simplify right side
   73,462.50x = 4,047,885,048.69
5. Step 5: Solve for x
   x = 4,047,885,048.69/73,462.50
6. Step 6: Final answer
   x = 55,101.38