Finding the Fourth Proportional to 35,300.69, 48,714.87 and 21,153.54

Step by Step Solution

1. Step 1: Write the proportion equation
   35,300.69 : 48,714.87 = 21,153.54 : x
2. Step 2: Convert to fraction form
   35,300.69/48,714.87 = 21,153.54/x
3. Step 3: Cross multiply
   35,300.69x = 48,714.87 × 21,153.54
4. Step 4: Simplify right side
   35,300.69x = 1,030,491,951.14
5. Step 5: Solve for x
   x = 1,030,491,951.14/35,300.69
6. Step 6: Final answer
   x = 29,191.84