Finding the Fourth Proportional to 33,642.90, 50,462.52 and 10,267.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,642.90 : 50,462.52 = 10,267.50 : x
2. Step 2: Convert to fraction form
   33,642.90/50,462.52 = 10,267.50/x
3. Step 3: Cross multiply
   33,642.90x = 50,462.52 × 10,267.50
4. Step 4: Simplify right side
   33,642.90x = 518,123,924.10
5. Step 5: Solve for x
   x = 518,123,924.10/33,642.90
6. Step 6: Final answer
   x = 15,400.69