Finding the Fourth Proportional to 140,406.16, 193,772.04 and 79,995.76

Step by Step Solution

1. Step 1: Write the proportion equation
   140,406.16 : 193,772.04 = 79,995.76 : x
2. Step 2: Convert to fraction form
   140,406.16/193,772.04 = 79,995.76/x
3. Step 3: Cross multiply
   140,406.16x = 193,772.04 × 79,995.76
4. Step 4: Simplify right side
   140,406.16x = 15,500,941,606.55
5. Step 5: Solve for x
   x = 15,500,941,606.55/140,406.16
6. Step 6: Final answer
   x = 110,400.72