Finding the Fourth Proportional to 308,910.72, 463,404.24 and 109,189.92

Step by Step Solution

1. Step 1: Write the proportion equation
   308,910.72 : 463,404.24 = 109,189.92 : x
2. Step 2: Convert to fraction form
   308,910.72/463,404.24 = 109,189.92/x
3. Step 3: Cross multiply
   308,910.72x = 463,404.24 × 109,189.92
4. Step 4: Simplify right side
   308,910.72x = 50,599,071,893.26
5. Step 5: Solve for x
   x = 50,599,071,893.26/308,910.72
6. Step 6: Final answer
   x = 163,798.37