Finding the Fourth Proportional to 85,540.34, 128,315.76 and 32,949.98

Step by Step Solution

1. Step 1: Write the proportion equation
   85,540.34 : 128,315.76 = 32,949.98 : x
2. Step 2: Convert to fraction form
   85,540.34/128,315.76 = 32,949.98/x
3. Step 3: Cross multiply
   85,540.34x = 128,315.76 × 32,949.98
4. Step 4: Simplify right side
   85,540.34x = 4,228,001,725.68
5. Step 5: Solve for x
   x = 4,228,001,725.68/85,540.34
6. Step 6: Final answer
   x = 49,426.99