Finding the Fourth Proportional to 42,806.88, 64,156.32 and 32,866.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,806.88 : 64,156.32 = 32,866.56 : x
2. Step 2: Convert to fraction form
   42,806.88/64,156.32 = 32,866.56/x
3. Step 3: Cross multiply
   42,806.88x = 64,156.32 × 32,866.56
4. Step 4: Simplify right side
   42,806.88x = 2,108,597,540.66
5. Step 5: Solve for x
   x = 2,108,597,540.66/42,806.88
6. Step 6: Final answer
   x = 49,258.38