Finding the Fourth Proportional to 81,443.58, 112,391.06 and 45,634.29

Step by Step Solution

1. Step 1: Write the proportion equation
   81,443.58 : 112,391.06 = 45,634.29 : x
2. Step 2: Convert to fraction form
   81,443.58/112,391.06 = 45,634.29/x
3. Step 3: Cross multiply
   81,443.58x = 112,391.06 × 45,634.29
4. Step 4: Simplify right side
   81,443.58x = 5,128,885,997.28
5. Step 5: Solve for x
   x = 5,128,885,997.28/81,443.58
6. Step 6: Final answer
   x = 62,974.71