Finding the Fourth Proportional to 78,227.17, 107,952.95 and 42,417.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,227.17 : 107,952.95 = 42,417.27 : x
2. Step 2: Convert to fraction form
   78,227.17/107,952.95 = 42,417.27/x
3. Step 3: Cross multiply
   78,227.17x = 107,952.95 × 42,417.27
4. Step 4: Simplify right side
   78,227.17x = 4,579,069,533.49
5. Step 5: Solve for x
   x = 4,579,069,533.49/78,227.17
6. Step 6: Final answer
   x = 58,535.54