Finding the Fourth Proportional to 81,820.72, 112,911.88 and 46,009.97

Step by Step Solution

1. Step 1: Write the proportion equation
   81,820.72 : 112,911.88 = 46,009.97 : x
2. Step 2: Convert to fraction form
   81,820.72/112,911.88 = 46,009.97/x
3. Step 3: Cross multiply
   81,820.72x = 112,911.88 × 46,009.97
4. Step 4: Simplify right side
   81,820.72x = 5,195,072,211.44
5. Step 5: Solve for x
   x = 5,195,072,211.44/81,820.72
6. Step 6: Final answer
   x = 63,493.36