Finding the Fourth Proportional to 53,682.38, 74,076.27 and 31,339.34

Step by Step Solution

1. Step 1: Write the proportion equation
   53,682.38 : 74,076.27 = 31,339.34 : x
2. Step 2: Convert to fraction form
   53,682.38/74,076.27 = 31,339.34/x
3. Step 3: Cross multiply
   53,682.38x = 74,076.27 × 31,339.34
4. Step 4: Simplify right side
   53,682.38x = 2,321,501,411.46
5. Step 5: Solve for x
   x = 2,321,501,411.46/53,682.38
6. Step 6: Final answer
   x = 43,245.13