Finding the Fourth Proportional to 140,250.42, 193,557.78 and 79,808.10

Step by Step Solution

1. Step 1: Write the proportion equation
   140,250.42 : 193,557.78 = 79,808.10 : x
2. Step 2: Convert to fraction form
   140,250.42/193,557.78 = 79,808.10/x
3. Step 3: Cross multiply
   140,250.42x = 193,557.78 × 79,808.10
4. Step 4: Simplify right side
   140,250.42x = 15,447,478,662.02
5. Step 5: Solve for x
   x = 15,447,478,662.02/140,250.42
6. Step 6: Final answer
   x = 110,142.12