Finding the Fourth Proportional to 81,014.15, 111,781.52 and 47,002.88

Step by Step Solution

1. Step 1: Write the proportion equation
   81,014.15 : 111,781.52 = 47,002.88 : x
2. Step 2: Convert to fraction form
   81,014.15/111,781.52 = 47,002.88/x
3. Step 3: Cross multiply
   81,014.15x = 111,781.52 × 47,002.88
4. Step 4: Simplify right side
   81,014.15x = 5,254,053,591.48
5. Step 5: Solve for x
   x = 5,254,053,591.48/81,014.15
6. Step 6: Final answer
   x = 64,853.53