Finding the Fourth Proportional to 81,854.72, 122,780.64 and 32,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,854.72 : 122,780.64 = 32,606.72 : x
2. Step 2: Convert to fraction form
   81,854.72/122,780.64 = 32,606.72/x
3. Step 3: Cross multiply
   81,854.72x = 122,780.64 × 32,606.72
4. Step 4: Simplify right side
   81,854.72x = 4,003,473,949.90
5. Step 5: Solve for x
   x = 4,003,473,949.90/81,854.72
6. Step 6: Final answer
   x = 48,909.51