Finding the Fourth Proportional to 42,769.32, 64,028.88 and 24,945.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,769.32 : 64,028.88 = 24,945.48 : x
2. Step 2: Convert to fraction form
   42,769.32/64,028.88 = 24,945.48/x
3. Step 3: Cross multiply
   42,769.32x = 64,028.88 × 24,945.48
4. Step 4: Simplify right side
   42,769.32x = 1,597,231,145.46
5. Step 5: Solve for x
   x = 1,597,231,145.46/42,769.32
6. Step 6: Final answer
   x = 37,345.25