Finding the Fourth Proportional to 35,453.69, 48,907.34 and 21,103.32

Step by Step Solution

1. Step 1: Write the proportion equation
   35,453.69 : 48,907.34 = 21,103.32 : x
2. Step 2: Convert to fraction form
   35,453.69/48,907.34 = 21,103.32/x
3. Step 3: Cross multiply
   35,453.69x = 48,907.34 × 21,103.32
4. Step 4: Simplify right side
   35,453.69x = 1,032,107,140.85
5. Step 5: Solve for x
   x = 1,032,107,140.85/35,453.69
6. Step 6: Final answer
   x = 29,111.42