Finding the Fourth Proportional to 138,801.30, 208,074.33 and 50,033.13

Step by Step Solution

1. Step 1: Write the proportion equation
   138,801.30 : 208,074.33 = 50,033.13 : x
2. Step 2: Convert to fraction form
   138,801.30/208,074.33 = 50,033.13/x
3. Step 3: Cross multiply
   138,801.30x = 208,074.33 × 50,033.13
4. Step 4: Simplify right side
   138,801.30x = 10,410,610,002.55
5. Step 5: Solve for x
   x = 10,410,610,002.55/138,801.30
6. Step 6: Final answer
   x = 75,003.69