Finding the Fourth Proportional to 57,603.52, 79,462.52 and 39,667.44

Step by Step Solution

1. Step 1: Write the proportion equation
   57,603.52 : 79,462.52 = 39,667.44 : x
2. Step 2: Convert to fraction form
   57,603.52/79,462.52 = 39,667.44/x
3. Step 3: Cross multiply
   57,603.52x = 79,462.52 × 39,667.44
4. Step 4: Simplify right side
   57,603.52x = 3,152,074,744.35
5. Step 5: Solve for x
   x = 3,152,074,744.35/57,603.52
6. Step 6: Final answer
   x = 54,720.18