Finding the Fourth Proportional to 31,196.71, 43,040.65 and 24,415.20

Step by Step Solution

1. Step 1: Write the proportion equation
   31,196.71 : 43,040.65 = 24,415.20 : x
2. Step 2: Convert to fraction form
   31,196.71/43,040.65 = 24,415.20/x
3. Step 3: Cross multiply
   31,196.71x = 43,040.65 × 24,415.20
4. Step 4: Simplify right side
   31,196.71x = 1,050,846,077.88
5. Step 5: Solve for x
   x = 1,050,846,077.88/31,196.71
6. Step 6: Final answer
   x = 33,684.52