Finding the Fourth Proportional to 78,033.37, 107,685.71 and 42,224.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,033.37 : 107,685.71 = 42,224.02 : x
2. Step 2: Convert to fraction form
   78,033.37/107,685.71 = 42,224.02/x
3. Step 3: Cross multiply
   78,033.37x = 107,685.71 × 42,224.02
4. Step 4: Simplify right side
   78,033.37x = 4,546,922,823.21
5. Step 5: Solve for x
   x = 4,546,922,823.21/78,033.37
6. Step 6: Final answer
   x = 58,268.95