Finding the Fourth Proportional to 42,868.74, 64,042.34 and 27,752.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42,868.74 : 64,042.34 = 27,752.71 : x
2. Step 2: Convert to fraction form
   42,868.74/64,042.34 = 27,752.71/x
3. Step 3: Cross multiply
   42,868.74x = 64,042.34 × 27,752.71
4. Step 4: Simplify right side
   42,868.74x = 1,777,348,399.02
5. Step 5: Solve for x
   x = 1,777,348,399.02/42,868.74
6. Step 6: Final answer
   x = 41,460.25