Finding the Fourth Proportional to 194,085.18, 267,815.88 and 109,200.42

Step by Step Solution

1. Step 1: Write the proportion equation
   194,085.18 : 267,815.88 = 109,200.42 : x
2. Step 2: Convert to fraction form
   194,085.18/267,815.88 = 109,200.42/x
3. Step 3: Cross multiply
   194,085.18x = 267,815.88 × 109,200.42
4. Step 4: Simplify right side
   194,085.18x = 29,245,606,578.67
5. Step 5: Solve for x
   x = 29,245,606,578.67/194,085.18
6. Step 6: Final answer
   x = 150,684.39