Finding the Fourth Proportional to 67,920.08, 93,730.04 and 42,441.24

Step by Step Solution

1. Step 1: Write the proportion equation
   67,920.08 : 93,730.04 = 42,441.24 : x
2. Step 2: Convert to fraction form
   67,920.08/93,730.04 = 42,441.24/x
3. Step 3: Cross multiply
   67,920.08x = 93,730.04 × 42,441.24
4. Step 4: Simplify right side
   67,920.08x = 3,978,019,038.30
5. Step 5: Solve for x
   x = 3,978,019,038.30/67,920.08
6. Step 6: Final answer
   x = 58,569.12