Finding the Fourth Proportional to 68,980.86, 95,190.84 and 42,168.24

Step by Step Solution

1. Step 1: Write the proportion equation
   68,980.86 : 95,190.84 = 42,168.24 : x
2. Step 2: Convert to fraction form
   68,980.86/95,190.84 = 42,168.24/x
3. Step 3: Cross multiply
   68,980.86x = 95,190.84 × 42,168.24
4. Step 4: Simplify right side
   68,980.86x = 4,014,030,186.92
5. Step 5: Solve for x
   x = 4,014,030,186.92/68,980.86
6. Step 6: Final answer
   x = 58,190.49