Finding the Fourth Proportional to 47,887.72, 71,631.52 and 33,655.20

Step by Step Solution

1. Step 1: Write the proportion equation
   47,887.72 : 71,631.52 = 33,655.20 : x
2. Step 2: Convert to fraction form
   47,887.72/71,631.52 = 33,655.20/x
3. Step 3: Cross multiply
   47,887.72x = 71,631.52 × 33,655.20
4. Step 4: Simplify right side
   47,887.72x = 2,410,773,131.90
5. Step 5: Solve for x
   x = 2,410,773,131.90/47,887.72
6. Step 6: Final answer
   x = 50,342.20