Finding the Fourth Proportional to 32,417.72, 44,773.36 and 21,788.90

Step by Step Solution

1. Step 1: Write the proportion equation
   32,417.72 : 44,773.36 = 21,788.90 : x
2. Step 2: Convert to fraction form
   32,417.72/44,773.36 = 21,788.90/x
3. Step 3: Cross multiply
   32,417.72x = 44,773.36 × 21,788.90
4. Step 4: Simplify right side
   32,417.72x = 975,562,153.27
5. Step 5: Solve for x
   x = 975,562,153.27/32,417.72
6. Step 6: Final answer
   x = 30,093.49