Finding the Fourth Proportional to 78,132.18, 107,822.37 and 42,322.11

Step by Step Solution

1. Step 1: Write the proportion equation
   78,132.18 : 107,822.37 = 42,322.11 : x
2. Step 2: Convert to fraction form
   78,132.18/107,822.37 = 42,322.11/x
3. Step 3: Cross multiply
   78,132.18x = 107,822.37 × 42,322.11
4. Step 4: Simplify right side
   78,132.18x = 4,563,270,203.60
5. Step 5: Solve for x
   x = 4,563,270,203.60/78,132.18
6. Step 6: Final answer
   x = 58,404.49