Finding the Fourth Proportional to 71,162.78, 98,204.73 and 40,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,162.78 : 98,204.73 = 40,947.50 : x
2. Step 2: Convert to fraction form
   71,162.78/98,204.73 = 40,947.50/x
3. Step 3: Cross multiply
   71,162.78x = 98,204.73 × 40,947.50
4. Step 4: Simplify right side
   71,162.78x = 4,021,238,112.60
5. Step 5: Solve for x
   x = 4,021,238,112.60/71,162.78
6. Step 6: Final answer
   x = 56,507.60