Finding the Fourth Proportional to 71,175.94, 98,222.81 and 42,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,175.94 : 98,222.81 = 42,887.50 : x
2. Step 2: Convert to fraction form
   71,175.94/98,222.81 = 42,887.50/x
3. Step 3: Cross multiply
   71,175.94x = 98,222.81 × 42,887.50
4. Step 4: Simplify right side
   71,175.94x = 4,212,530,303.88
5. Step 5: Solve for x
   x = 4,212,530,303.88/71,175.94
6. Step 6: Final answer
   x = 59,184.75