Finding the Fourth Proportional to 140,087.65, 193,321.61 and 76,426.82

Step by Step Solution

1. Step 1: Write the proportion equation
   140,087.65 : 193,321.61 = 76,426.82 : x
2. Step 2: Convert to fraction form
   140,087.65/193,321.61 = 76,426.82/x
3. Step 3: Cross multiply
   140,087.65x = 193,321.61 × 76,426.82
4. Step 4: Simplify right side
   140,087.65x = 14,774,955,889.58
5. Step 5: Solve for x
   x = 14,774,955,889.58/140,087.65
6. Step 6: Final answer
   x = 105,469.37