Finding the Fourth Proportional to 22,420.53, 33,632.73 and 5,780.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,420.53 : 33,632.73 = 5,780.42 : x
2. Step 2: Convert to fraction form
   22,420.53/33,632.73 = 5,780.42/x
3. Step 3: Cross multiply
   22,420.53x = 33,632.73 × 5,780.42
4. Step 4: Simplify right side
   22,420.53x = 194,411,246.85
5. Step 5: Solve for x
   x = 194,411,246.85/22,420.53
6. Step 6: Final answer
   x = 8,671.13