Finding the Fourth Proportional to 141,837.86, 195,737.61 and 78,178.10

Step by Step Solution

1. Step 1: Write the proportion equation
   141,837.86 : 195,737.61 = 78,178.10 : x
2. Step 2: Convert to fraction form
   141,837.86/195,737.61 = 78,178.10/x
3. Step 3: Cross multiply
   141,837.86x = 195,737.61 × 78,178.10
4. Step 4: Simplify right side
   141,837.86x = 15,302,394,448.34
5. Step 5: Solve for x
   x = 15,302,394,448.34/141,837.86
6. Step 6: Final answer
   x = 107,886.53