Finding the Fourth Proportional to 145,469.52, 200,513.88 and 108,616.14

Step by Step Solution

1. Step 1: Write the proportion equation
   145,469.52 : 200,513.88 = 108,616.14 : x
2. Step 2: Convert to fraction form
   145,469.52/200,513.88 = 108,616.14/x
3. Step 3: Cross multiply
   145,469.52x = 200,513.88 × 108,616.14
4. Step 4: Simplify right side
   145,469.52x = 21,779,043,662.02
5. Step 5: Solve for x
   x = 21,779,043,662.02/145,469.52
6. Step 6: Final answer
   x = 149,715.51