Finding the Fourth Proportional to 140,003.53, 193,200.06 and 79,573.12

Step by Step Solution

1. Step 1: Write the proportion equation
   140,003.53 : 193,200.06 = 79,573.12 : x
2. Step 2: Convert to fraction form
   140,003.53/193,200.06 = 79,573.12/x
3. Step 3: Cross multiply
   140,003.53x = 193,200.06 × 79,573.12
4. Step 4: Simplify right side
   140,003.53x = 15,373,531,558.39
5. Step 5: Solve for x
   x = 15,373,531,558.39/140,003.53
6. Step 6: Final answer
   x = 109,808.17