Finding the Fourth Proportional to 35,672.64, 49,229.72 and 19,757.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,672.64 : 49,229.72 = 19,757.10 : x
2. Step 2: Convert to fraction form
   35,672.64/49,229.72 = 19,757.10/x
3. Step 3: Cross multiply
   35,672.64x = 49,229.72 × 19,757.10
4. Step 4: Simplify right side
   35,672.64x = 972,636,501.01
5. Step 5: Solve for x
   x = 972,636,501.01/35,672.64
6. Step 6: Final answer
   x = 27,265.62