Finding the Fourth Proportional to 140,921.82, 194,484.38 and 77,272.02

Step by Step Solution

1. Step 1: Write the proportion equation
   140,921.82 : 194,484.38 = 77,272.02 : x
2. Step 2: Convert to fraction form
   140,921.82/194,484.38 = 77,272.02/x
3. Step 3: Cross multiply
   140,921.82x = 194,484.38 × 77,272.02
4. Step 4: Simplify right side
   140,921.82x = 15,028,200,514.69
5. Step 5: Solve for x
   x = 15,028,200,514.69/140,921.82
6. Step 6: Final answer
   x = 106,642.11