Finding the Fourth Proportional to 45,900.78, 63,313.98 and 33,172.72

Step by Step Solution

1. Step 1: Write the proportion equation
   45,900.78 : 63,313.98 = 33,172.72 : x
2. Step 2: Convert to fraction form
   45,900.78/63,313.98 = 33,172.72/x
3. Step 3: Cross multiply
   45,900.78x = 63,313.98 × 33,172.72
4. Step 4: Simplify right side
   45,900.78x = 2,100,296,930.63
5. Step 5: Solve for x
   x = 2,100,296,930.63/45,900.78
6. Step 6: Final answer
   x = 45,757.33