Finding the Fourth Proportional to 42,769.04, 64,118.96 and 17,827.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,769.04 : 64,118.96 = 17,827.88 : x
2. Step 2: Convert to fraction form
   42,769.04/64,118.96 = 17,827.88/x
3. Step 3: Cross multiply
   42,769.04x = 64,118.96 × 17,827.88
4. Step 4: Simplify right side
   42,769.04x = 1,143,105,124.60
5. Step 5: Solve for x
   x = 1,143,105,124.60/42,769.04
6. Step 6: Final answer
   x = 26,727.40