Finding the Fourth Proportional to 42,765.89, 64,159.76 and 17,797.64

Step by Step Solution

1. Step 1: Write the proportion equation
   42,765.89 : 64,159.76 = 17,797.64 : x
2. Step 2: Convert to fraction form
   42,765.89/64,159.76 = 17,797.64/x
3. Step 3: Cross multiply
   42,765.89x = 64,159.76 × 17,797.64
4. Step 4: Simplify right side
   42,765.89x = 1,141,892,034.66
5. Step 5: Solve for x
   x = 1,141,892,034.66/42,765.89
6. Step 6: Final answer
   x = 26,701.00