Finding the Fourth Proportional to 141,424.52, 194,964.81 and 112,490.42

Step by Step Solution

1. Step 1: Write the proportion equation
   141,424.52 : 194,964.81 = 112,490.42 : x
2. Step 2: Convert to fraction form
   141,424.52/194,964.81 = 112,490.42/x
3. Step 3: Cross multiply
   141,424.52x = 194,964.81 × 112,490.42
4. Step 4: Simplify right side
   141,424.52x = 21,931,673,362.12
5. Step 5: Solve for x
   x = 21,931,673,362.12/141,424.52
6. Step 6: Final answer
   x = 155,076.88