Finding the Fourth Proportional to 140,760.51, 194,249.54 and 77,100.59

Step by Step Solution

1. Step 1: Write the proportion equation
   140,760.51 : 194,249.54 = 77,100.59 : x
2. Step 2: Convert to fraction form
   140,760.51/194,249.54 = 77,100.59/x
3. Step 3: Cross multiply
   140,760.51x = 194,249.54 × 77,100.59
4. Step 4: Simplify right side
   140,760.51x = 14,976,752,784.48
5. Step 5: Solve for x
   x = 14,976,752,784.48/140,760.51
6. Step 6: Final answer
   x = 106,398.82