Finding the Fourth Proportional to 140,073.58, 193,300.86 and 76,410.82

Step by Step Solution

1. Step 1: Write the proportion equation
   140,073.58 : 193,300.86 = 76,410.82 : x
2. Step 2: Convert to fraction form
   140,073.58/193,300.86 = 76,410.82/x
3. Step 3: Cross multiply
   140,073.58x = 193,300.86 × 76,410.82
4. Step 4: Simplify right side
   140,073.58x = 14,770,277,219.31
5. Step 5: Solve for x
   x = 14,770,277,219.31/140,073.58
6. Step 6: Final answer
   x = 105,446.56