Finding the Fourth Proportional to 140,992.33, 194,581.89 and 77,342.53

Step by Step Solution

1. Step 1: Write the proportion equation
   140,992.33 : 194,581.89 = 77,342.53 : x
2. Step 2: Convert to fraction form
   140,992.33/194,581.89 = 77,342.53/x
3. Step 3: Cross multiply
   140,992.33x = 194,581.89 × 77,342.53
4. Step 4: Simplify right side
   140,992.33x = 15,049,455,664.78
5. Step 5: Solve for x
   x = 15,049,455,664.78/140,992.33
6. Step 6: Final answer
   x = 106,739.53