Finding the Fourth Proportional to 194,912.42, 268,989.96 and 137,570.10

Step by Step Solution

1. Step 1: Write the proportion equation
   194,912.42 : 268,989.96 = 137,570.10 : x
2. Step 2: Convert to fraction form
   194,912.42/268,989.96 = 137,570.10/x
3. Step 3: Cross multiply
   194,912.42x = 268,989.96 × 137,570.10
4. Step 4: Simplify right side
   194,912.42x = 37,004,975,696.20
5. Step 5: Solve for x
   x = 37,004,975,696.20/194,912.42
6. Step 6: Final answer
   x = 189,854.38