Finding the Fourth Proportional to 42,275.04, 63,422.27 and 12,693.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,275.04 : 63,422.27 = 12,693.43 : x
2. Step 2: Convert to fraction form
   42,275.04/63,422.27 = 12,693.43/x
3. Step 3: Cross multiply
   42,275.04x = 63,422.27 × 12,693.43
4. Step 4: Simplify right side
   42,275.04x = 805,046,144.69
5. Step 5: Solve for x
   x = 805,046,144.69/42,275.04
6. Step 6: Final answer
   x = 19,043.06