Finding the Fourth Proportional to 81,761.10, 122,620.59 and 29,162.94

Step by Step Solution

1. Step 1: Write the proportion equation
   81,761.10 : 122,620.59 = 29,162.94 : x
2. Step 2: Convert to fraction form
   81,761.10/122,620.59 = 29,162.94/x
3. Step 3: Cross multiply
   81,761.10x = 122,620.59 × 29,162.94
4. Step 4: Simplify right side
   81,761.10x = 3,575,976,908.93
5. Step 5: Solve for x
   x = 3,575,976,908.93/81,761.10
6. Step 6: Final answer
   x = 43,736.90