Finding the Fourth Proportional to 141,069.15, 194,667.62 and 77,401.89

Step by Step Solution

1. Step 1: Write the proportion equation
   141,069.15 : 194,667.62 = 77,401.89 : x
2. Step 2: Convert to fraction form
   141,069.15/194,667.62 = 77,401.89/x
3. Step 3: Cross multiply
   141,069.15x = 194,667.62 × 77,401.89
4. Step 4: Simplify right side
   141,069.15x = 15,067,641,322.79
5. Step 5: Solve for x
   x = 15,067,641,322.79/141,069.15
6. Step 6: Final answer
   x = 106,810.32