Finding the Fourth Proportional to 50,018.18, 69,031.04 and 28,801.58

Step by Step Solution

1. Step 1: Write the proportion equation
   50,018.18 : 69,031.04 = 28,801.58 : x
2. Step 2: Convert to fraction form
   50,018.18/69,031.04 = 28,801.58/x
3. Step 3: Cross multiply
   50,018.18x = 69,031.04 × 28,801.58
4. Step 4: Simplify right side
   50,018.18x = 1,988,202,531.88
5. Step 5: Solve for x
   x = 1,988,202,531.88/50,018.18
6. Step 6: Final answer
   x = 39,749.60