Finding the Fourth Proportional to 142,091.84, 196,085.79 and 77,560.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,091.84 : 196,085.79 = 77,560.82 : x
2. Step 2: Convert to fraction form
   142,091.84/196,085.79 = 77,560.82/x
3. Step 3: Cross multiply
   142,091.84x = 196,085.79 × 77,560.82
4. Step 4: Simplify right side
   142,091.84x = 15,208,574,662.75
5. Step 5: Solve for x
   x = 15,208,574,662.75/142,091.84
6. Step 6: Final answer
   x = 107,033.41