Finding the Fourth Proportional to 35,300.16, 48,737.07 and 21,885.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,300.16 : 48,737.07 = 21,885.72 : x
2. Step 2: Convert to fraction form
   35,300.16/48,737.07 = 21,885.72/x
3. Step 3: Cross multiply
   35,300.16x = 48,737.07 × 21,885.72
4. Step 4: Simplify right side
   35,300.16x = 1,066,645,867.64
5. Step 5: Solve for x
   x = 1,066,645,867.64/35,300.16
6. Step 6: Final answer
   x = 30,216.46