Finding the Fourth Proportional to 42,766.02, 64,101.24 and 17,797.77

Step by Step Solution

1. Step 1: Write the proportion equation
   42,766.02 : 64,101.24 = 17,797.77 : x
2. Step 2: Convert to fraction form
   42,766.02/64,101.24 = 17,797.77/x
3. Step 3: Cross multiply
   42,766.02x = 64,101.24 × 17,797.77
4. Step 4: Simplify right side
   42,766.02x = 1,140,859,126.23
5. Step 5: Solve for x
   x = 1,140,859,126.23/42,766.02
6. Step 6: Final answer
   x = 26,676.77