Finding the Fourth Proportional to 71,962.24, 99,270.72 and 42,876.16

Step by Step Solution

1. Step 1: Write the proportion equation
   71,962.24 : 99,270.72 = 42,876.16 : x
2. Step 2: Convert to fraction form
   71,962.24/99,270.72 = 42,876.16/x
3. Step 3: Cross multiply
   71,962.24x = 99,270.72 × 42,876.16
4. Step 4: Simplify right side
   71,962.24x = 4,256,347,274.04
5. Step 5: Solve for x
   x = 4,256,347,274.04/71,962.24
6. Step 6: Final answer
   x = 59,146.95