Finding the Fourth Proportional to 140,086.65, 193,320.23 and 76,425.82

Step by Step Solution

1. Step 1: Write the proportion equation
   140,086.65 : 193,320.23 = 76,425.82 : x
2. Step 2: Convert to fraction form
   140,086.65/193,320.23 = 76,425.82/x
3. Step 3: Cross multiply
   140,086.65x = 193,320.23 × 76,425.82
4. Step 4: Simplify right side
   140,086.65x = 14,774,657,100.34
5. Step 5: Solve for x
   x = 14,774,657,100.34/140,086.65
6. Step 6: Final answer
   x = 105,467.99