Finding the Fourth Proportional to 140,458.32, 193,832.46 and 76,796.10

Step by Step Solution

1. Step 1: Write the proportion equation
   140,458.32 : 193,832.46 = 76,796.10 : x
2. Step 2: Convert to fraction form
   140,458.32/193,832.46 = 76,796.10/x
3. Step 3: Cross multiply
   140,458.32x = 193,832.46 × 76,796.10
4. Step 4: Simplify right side
   140,458.32x = 14,885,576,981.41
5. Step 5: Solve for x
   x = 14,885,576,981.41/140,458.32
6. Step 6: Final answer
   x = 105,978.61