Finding the Fourth Proportional to 42,773.29, 64,170.88 and 17,805.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,773.29 : 64,170.88 = 17,805.04 : x
2. Step 2: Convert to fraction form
   42,773.29/64,170.88 = 17,805.04/x
3. Step 3: Cross multiply
   42,773.29x = 64,170.88 × 17,805.04
4. Step 4: Simplify right side
   42,773.29x = 1,142,565,120.94
5. Step 5: Solve for x
   x = 1,142,565,120.94/42,773.29
6. Step 6: Final answer
   x = 26,712.12