Finding the Fourth Proportional to 71,167.92, 98,219.72 and 42,873

Step by Step Solution

1. Step 1: Write the proportion equation
   71,167.92 : 98,219.72 = 42,873 : x
2. Step 2: Convert to fraction form
   71,167.92/98,219.72 = 42,873/x
3. Step 3: Cross multiply
   71,167.92x = 98,219.72 × 42,873
4. Step 4: Simplify right side
   71,167.92x = 4,210,974,055.56
5. Step 5: Solve for x
   x = 4,210,974,055.56/71,167.92
6. Step 6: Final answer
   x = 59,169.55