Finding the Fourth Proportional to 42,969.74, 64,392.30 and 30,514.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,969.74 : 64,392.30 = 30,514.16 : x
2. Step 2: Convert to fraction form
   42,969.74/64,392.30 = 30,514.16/x
3. Step 3: Cross multiply
   42,969.74x = 64,392.30 × 30,514.16
4. Step 4: Simplify right side
   42,969.74x = 1,964,876,944.97
5. Step 5: Solve for x
   x = 1,964,876,944.97/42,969.74
6. Step 6: Final answer
   x = 45,726.99