Finding the Fourth Proportional to 107,645.86, 161,503.37 and 32,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,645.86 : 161,503.37 = 32,780.50 : x
2. Step 2: Convert to fraction form
   107,645.86/161,503.37 = 32,780.50/x
3. Step 3: Cross multiply
   107,645.86x = 161,503.37 × 32,780.50
4. Step 4: Simplify right side
   107,645.86x = 5,294,160,775.55
5. Step 5: Solve for x
   x = 5,294,160,775.55/107,645.86
6. Step 6: Final answer
   x = 49,181.28