Finding the Fourth Proportional to 35,253.88, 48,630.72 and 21,816.58

Step by Step Solution

1. Step 1: Write the proportion equation
   35,253.88 : 48,630.72 = 21,816.58 : x
2. Step 2: Convert to fraction form
   35,253.88/48,630.72 = 21,816.58/x
3. Step 3: Cross multiply
   35,253.88x = 48,630.72 × 21,816.58
4. Step 4: Simplify right side
   35,253.88x = 1,060,955,993.34
5. Step 5: Solve for x
   x = 1,060,955,993.34/35,253.88
6. Step 6: Final answer
   x = 30,094.73