Finding the Fourth Proportional to 42,746.28, 64,126.76 and 19,062.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,746.28 : 64,126.76 = 19,062.24 : x
2. Step 2: Convert to fraction form
   42,746.28/64,126.76 = 19,062.24/x
3. Step 3: Cross multiply
   42,746.28x = 64,126.76 × 19,062.24
4. Step 4: Simplify right side
   42,746.28x = 1,222,399,689.54
5. Step 5: Solve for x
   x = 1,222,399,689.54/42,746.28
6. Step 6: Final answer
   x = 28,596.63