Finding the Fourth Proportional to 32,662.84, 45,061.77 and 21,328.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,662.84 : 45,061.77 = 21,328.72 : x
2. Step 2: Convert to fraction form
   32,662.84/45,061.77 = 21,328.72/x
3. Step 3: Cross multiply
   32,662.84x = 45,061.77 × 21,328.72
4. Step 4: Simplify right side
   32,662.84x = 961,109,875.03
5. Step 5: Solve for x
   x = 961,109,875.03/32,662.84
6. Step 6: Final answer
   x = 29,425.18