Finding the Fourth Proportional to 47,144.58, 65,061.27 and 28,278.06

Step by Step Solution

1. Step 1: Write the proportion equation
   47,144.58 : 65,061.27 = 28,278.06 : x
2. Step 2: Convert to fraction form
   47,144.58/65,061.27 = 28,278.06/x
3. Step 3: Cross multiply
   47,144.58x = 65,061.27 × 28,278.06
4. Step 4: Simplify right side
   47,144.58x = 1,839,806,496.74
5. Step 5: Solve for x
   x = 1,839,806,496.74/47,144.58
6. Step 6: Final answer
   x = 39,024.77