Finding the Fourth Proportional to 73,404.57, 101,298.41 and 39,870.57

Step by Step Solution

1. Step 1: Write the proportion equation
   73,404.57 : 101,298.41 = 39,870.57 : x
2. Step 2: Convert to fraction form
   73,404.57/101,298.41 = 39,870.57/x
3. Step 3: Cross multiply
   73,404.57x = 101,298.41 × 39,870.57
4. Step 4: Simplify right side
   73,404.57x = 4,038,825,147.44
5. Step 5: Solve for x
   x = 4,038,825,147.44/73,404.57
6. Step 6: Final answer
   x = 55,021.44