Finding the Fourth Proportional to 140,562.42, 193,976.82 and 76,901.28

Step by Step Solution

1. Step 1: Write the proportion equation
   140,562.42 : 193,976.82 = 76,901.28 : x
2. Step 2: Convert to fraction form
   140,562.42/193,976.82 = 76,901.28/x
3. Step 3: Cross multiply
   140,562.42x = 193,976.82 × 76,901.28
4. Step 4: Simplify right side
   140,562.42x = 14,917,065,748.33
5. Step 5: Solve for x
   x = 14,917,065,748.33/140,562.42
6. Step 6: Final answer
   x = 106,124.14