Finding the Fourth Proportional to 42,769.35, 64,164.97 and 17,801.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,769.35 : 64,164.97 = 17,801.10 : x
2. Step 2: Convert to fraction form
   42,769.35/64,164.97 = 17,801.10/x
3. Step 3: Cross multiply
   42,769.35x = 64,164.97 × 17,801.10
4. Step 4: Simplify right side
   42,769.35x = 1,142,207,243.58
5. Step 5: Solve for x
   x = 1,142,207,243.58/42,769.35
6. Step 6: Final answer
   x = 26,706.21