Finding the Fourth Proportional to 31,137.86, 42,959.01 and 23,969.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,137.86 : 42,959.01 = 23,969.96 : x
2. Step 2: Convert to fraction form
   31,137.86/42,959.01 = 23,969.96/x
3. Step 3: Cross multiply
   31,137.86x = 42,959.01 × 23,969.96
4. Step 4: Simplify right side
   31,137.86x = 1,029,725,858.74
5. Step 5: Solve for x
   x = 1,029,725,858.74/31,137.86
6. Step 6: Final answer
   x = 33,069.90