Finding the Fourth Proportional to 140,002.49, 193,196.43 and 79,565.15

Step by Step Solution

1. Step 1: Write the proportion equation
   140,002.49 : 193,196.43 = 79,565.15 : x
2. Step 2: Convert to fraction form
   140,002.49/193,196.43 = 79,565.15/x
3. Step 3: Cross multiply
   140,002.49x = 193,196.43 × 79,565.15
4. Step 4: Simplify right side
   140,002.49x = 15,371,701,966.43
5. Step 5: Solve for x
   x = 15,371,701,966.43/140,002.49
6. Step 6: Final answer
   x = 109,795.92