Finding the Fourth Proportional to 107,736.96, 161,674.56 and 52,302.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,736.96 : 161,674.56 = 52,302.72 : x
2. Step 2: Convert to fraction form
   107,736.96/161,674.56 = 52,302.72/x
3. Step 3: Cross multiply
   107,736.96x = 161,674.56 × 52,302.72
4. Step 4: Simplify right side
   107,736.96x = 8,456,019,242.80
5. Step 5: Solve for x
   x = 8,456,019,242.80/107,736.96
6. Step 6: Final answer
   x = 78,487.64