Finding the Fourth Proportional to 151,429.23, 208,969.47 and 83,452.49

Step by Step Solution

1. Step 1: Write the proportion equation
   151,429.23 : 208,969.47 = 83,452.49 : x
2. Step 2: Convert to fraction form
   151,429.23/208,969.47 = 83,452.49/x
3. Step 3: Cross multiply
   151,429.23x = 208,969.47 × 83,452.49
4. Step 4: Simplify right side
   151,429.23x = 17,439,021,143.37
5. Step 5: Solve for x
   x = 17,439,021,143.37/151,429.23
6. Step 6: Final answer
   x = 115,162.85