Finding the Fourth Proportional to 141,066.69, 194,676.12 and 77,408.52

Step by Step Solution

1. Step 1: Write the proportion equation
   141,066.69 : 194,676.12 = 77,408.52 : x
2. Step 2: Convert to fraction form
   141,066.69/194,676.12 = 77,408.52/x
3. Step 3: Cross multiply
   141,066.69x = 194,676.12 × 77,408.52
4. Step 4: Simplify right side
   141,066.69x = 15,069,590,328.54
5. Step 5: Solve for x
   x = 15,069,590,328.54/141,066.69
6. Step 6: Final answer
   x = 106,826.00