Finding the Fourth Proportional to 141,881.72, 195,804.02 and 78,219.37

Step by Step Solution

1. Step 1: Write the proportion equation
   141,881.72 : 195,804.02 = 78,219.37 : x
2. Step 2: Convert to fraction form
   141,881.72/195,804.02 = 78,219.37/x
3. Step 3: Cross multiply
   141,881.72x = 195,804.02 × 78,219.37
4. Step 4: Simplify right side
   141,881.72x = 15,315,665,717.75
5. Step 5: Solve for x
   x = 15,315,665,717.75/141,881.72
6. Step 6: Final answer
   x = 107,946.72