Finding the Fourth Proportional to 35,132.16, 48,498.72 and 20,787.48

Step by Step Solution

1. Step 1: Write the proportion equation
   35,132.16 : 48,498.72 = 20,787.48 : x
2. Step 2: Convert to fraction form
   35,132.16/48,498.72 = 20,787.48/x
3. Step 3: Cross multiply
   35,132.16x = 48,498.72 × 20,787.48
4. Step 4: Simplify right side
   35,132.16x = 1,008,166,172.03
5. Step 5: Solve for x
   x = 1,008,166,172.03/35,132.16
6. Step 6: Final answer
   x = 28,696.39