Finding the Fourth Proportional to 42,721.41, 64,061.16 and 24,956.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,721.41 : 64,061.16 = 24,956.53 : x
2. Step 2: Convert to fraction form
   42,721.41/64,061.16 = 24,956.53/x
3. Step 3: Cross multiply
   42,721.41x = 64,061.16 × 24,956.53
4. Step 4: Simplify right side
   42,721.41x = 1,598,744,261.37
5. Step 5: Solve for x
   x = 1,598,744,261.37/42,721.41
6. Step 6: Final answer
   x = 37,422.55