Finding the Fourth Proportional to 71,275.77, 98,359.79 and 42,984.09

Step by Step Solution

1. Step 1: Write the proportion equation
   71,275.77 : 98,359.79 = 42,984.09 : x
2. Step 2: Convert to fraction form
   71,275.77/98,359.79 = 42,984.09/x
3. Step 3: Cross multiply
   71,275.77x = 98,359.79 × 42,984.09
4. Step 4: Simplify right side
   71,275.77x = 4,227,905,850.82
5. Step 5: Solve for x
   x = 4,227,905,850.82/71,275.77
6. Step 6: Final answer
   x = 59,317.58