Finding the Fourth Proportional to 31,422.82, 43,363.60 and 17,276.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,422.82 : 43,363.60 = 17,276.56 : x
2. Step 2: Convert to fraction form
   31,422.82/43,363.60 = 17,276.56/x
3. Step 3: Cross multiply
   31,422.82x = 43,363.60 × 17,276.56
4. Step 4: Simplify right side
   31,422.82x = 749,173,837.22
5. Step 5: Solve for x
   x = 749,173,837.22/31,422.82
6. Step 6: Final answer
   x = 23,841.71