Finding the Fourth Proportional to 140,796.51, 194,299.89 and 77,134.35

Step by Step Solution

1. Step 1: Write the proportion equation
   140,796.51 : 194,299.89 = 77,134.35 : x
2. Step 2: Convert to fraction form
   140,796.51/194,299.89 = 77,134.35/x
3. Step 3: Cross multiply
   140,796.51x = 194,299.89 × 77,134.35
4. Step 4: Simplify right side
   140,796.51x = 14,987,195,720.22
5. Step 5: Solve for x
   x = 14,987,195,720.22/140,796.51
6. Step 6: Final answer
   x = 106,445.79