Finding the Fourth Proportional to 141,901.51, 195,820.33 and 78,238.23

Step by Step Solution

1. Step 1: Write the proportion equation
   141,901.51 : 195,820.33 = 78,238.23 : x
2. Step 2: Convert to fraction form
   141,901.51/195,820.33 = 78,238.23/x
3. Step 3: Cross multiply
   141,901.51x = 195,820.33 × 78,238.23
4. Step 4: Simplify right side
   141,901.51x = 15,320,636,017.22
5. Step 5: Solve for x
   x = 15,320,636,017.22/141,901.51
6. Step 6: Final answer
   x = 107,966.69