Finding the Fourth Proportional to 81,164.64, 112,003.96 and 47,171.52

Step by Step Solution

1. Step 1: Write the proportion equation
   81,164.64 : 112,003.96 = 47,171.52 : x
2. Step 2: Convert to fraction form
   81,164.64/112,003.96 = 47,171.52/x
3. Step 3: Cross multiply
   81,164.64x = 112,003.96 × 47,171.52
4. Step 4: Simplify right side
   81,164.64x = 5,283,397,039.22
5. Step 5: Solve for x
   x = 5,283,397,039.22/81,164.64
6. Step 6: Final answer
   x = 65,094.81