Finding the Fourth Proportional to 78,004.07, 107,645.52 and 42,193.97

Step by Step Solution

1. Step 1: Write the proportion equation
   78,004.07 : 107,645.52 = 42,193.97 : x
2. Step 2: Convert to fraction form
   78,004.07/107,645.52 = 42,193.97/x
3. Step 3: Cross multiply
   78,004.07x = 107,645.52 × 42,193.97
4. Step 4: Simplify right side
   78,004.07x = 4,541,991,841.51
5. Step 5: Solve for x
   x = 4,541,991,841.51/78,004.07
6. Step 6: Final answer
   x = 58,227.63