Finding the Fourth Proportional to 141,429.52, 194,971.71 and 112,495.42

Step by Step Solution

1. Step 1: Write the proportion equation
   141,429.52 : 194,971.71 = 112,495.42 : x
2. Step 2: Convert to fraction form
   141,429.52/194,971.71 = 112,495.42/x
3. Step 3: Cross multiply
   141,429.52x = 194,971.71 × 112,495.42
4. Step 4: Simplify right side
   141,429.52x = 21,933,424,404.57
5. Step 5: Solve for x
   x = 21,933,424,404.57/141,429.52
6. Step 6: Final answer
   x = 155,083.78