Finding the Fourth Proportional to 71,168.50, 98,212.69 and 42,875.38

Step by Step Solution

1. Step 1: Write the proportion equation
   71,168.50 : 98,212.69 = 42,875.38 : x
2. Step 2: Convert to fraction form
   71,168.50/98,212.69 = 42,875.38/x
3. Step 3: Cross multiply
   71,168.50x = 98,212.69 × 42,875.38
4. Step 4: Simplify right side
   71,168.50x = 4,210,906,404.57
5. Step 5: Solve for x
   x = 4,210,906,404.57/71,168.50
6. Step 6: Final answer
   x = 59,168.12