Finding the Fourth Proportional to 78,222.94, 107,947.14 and 42,412.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,222.94 : 107,947.14 = 42,412.84 : x
2. Step 2: Convert to fraction form
   78,222.94/107,947.14 = 42,412.84/x
3. Step 3: Cross multiply
   78,222.94x = 107,947.14 × 42,412.84
4. Step 4: Simplify right side
   78,222.94x = 4,578,344,777.28
5. Step 5: Solve for x
   x = 4,578,344,777.28/78,222.94
6. Step 6: Final answer
   x = 58,529.44