Finding the Fourth Proportional to 35,111.96, 48,450.76 and 20,772.32

Step by Step Solution

1. Step 1: Write the proportion equation
   35,111.96 : 48,450.76 = 20,772.32 : x
2. Step 2: Convert to fraction form
   35,111.96/48,450.76 = 20,772.32/x
3. Step 3: Cross multiply
   35,111.96x = 48,450.76 × 20,772.32
4. Step 4: Simplify right side
   35,111.96x = 1,006,434,760.16
5. Step 5: Solve for x
   x = 1,006,434,760.16/35,111.96
6. Step 6: Final answer
   x = 28,663.59