Finding the Fourth Proportional to 21,435.76, 32,153.28 and 5,853.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,435.76 : 32,153.28 = 5,853.32 : x
2. Step 2: Convert to fraction form
   21,435.76/32,153.28 = 5,853.32/x
3. Step 3: Cross multiply
   21,435.76x = 32,153.28 × 5,853.32
4. Step 4: Simplify right side
   21,435.76x = 188,203,436.89
5. Step 5: Solve for x
   x = 188,203,436.89/21,435.76
6. Step 6: Final answer
   x = 8,779.88