Finding the Fourth Proportional to 42,842.52, 64,275.12 and 17,874.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,842.52 : 64,275.12 = 17,874.27 : x
2. Step 2: Convert to fraction form
   42,842.52/64,275.12 = 17,874.27/x
3. Step 3: Cross multiply
   42,842.52x = 64,275.12 × 17,874.27
4. Step 4: Simplify right side
   42,842.52x = 1,148,870,849.16
5. Step 5: Solve for x
   x = 1,148,870,849.16/42,842.52
6. Step 6: Final answer
   x = 26,816.14