Finding the Fourth Proportional to 50,442.31, 69,548.71 and 31,546.63

Step by Step Solution

1. Step 1: Write the proportion equation
   50,442.31 : 69,548.71 = 31,546.63 : x
2. Step 2: Convert to fraction form
   50,442.31/69,548.71 = 31,546.63/x
3. Step 3: Cross multiply
   50,442.31x = 69,548.71 × 31,546.63
4. Step 4: Simplify right side
   50,442.31x = 2,194,026,915.87
5. Step 5: Solve for x
   x = 2,194,026,915.87/50,442.31
6. Step 6: Final answer
   x = 43,495.77