Finding the Fourth Proportional to 141,081.67, 194,692.17 and 77,419.32

Step by Step Solution

1. Step 1: Write the proportion equation
   141,081.67 : 194,692.17 = 77,419.32 : x
2. Step 2: Convert to fraction form
   141,081.67/194,692.17 = 77,419.32/x
3. Step 3: Cross multiply
   141,081.67x = 194,692.17 × 77,419.32
4. Step 4: Simplify right side
   141,081.67x = 15,072,935,410.72
5. Step 5: Solve for x
   x = 15,072,935,410.72/141,081.67
6. Step 6: Final answer
   x = 106,838.37