Finding the Fourth Proportional to 456,608.69, 684,905.87 and 157,091.87

Step by Step Solution

1. Step 1: Write the proportion equation
   456,608.69 : 684,905.87 = 157,091.87 : x
2. Step 2: Convert to fraction form
   456,608.69/684,905.87 = 157,091.87/x
3. Step 3: Cross multiply
   456,608.69x = 684,905.87 × 157,091.87
4. Step 4: Simplify right side
   456,608.69x = 107,593,142,003.27
5. Step 5: Solve for x
   x = 107,593,142,003.27/456,608.69
6. Step 6: Final answer
   x = 235,635.33