Finding the Fourth Proportional to 81,455.81, 112,404.38 and 47,469.83

Step by Step Solution

1. Step 1: Write the proportion equation
   81,455.81 : 112,404.38 = 47,469.83 : x
2. Step 2: Convert to fraction form
   81,455.81/112,404.38 = 47,469.83/x
3. Step 3: Cross multiply
   81,455.81x = 112,404.38 × 47,469.83
4. Step 4: Simplify right side
   81,455.81x = 5,335,817,043.29
5. Step 5: Solve for x
   x = 5,335,817,043.29/81,455.81
6. Step 6: Final answer
   x = 65,505.67