Finding the Fourth Proportional to 18,773.52, 28,156.12 and 5,624.16

Step by Step Solution

1. Step 1: Write the proportion equation
   18,773.52 : 28,156.12 = 5,624.16 : x
2. Step 2: Convert to fraction form
   18,773.52/28,156.12 = 5,624.16/x
3. Step 3: Cross multiply
   18,773.52x = 28,156.12 × 5,624.16
4. Step 4: Simplify right side
   18,773.52x = 158,354,523.86
5. Step 5: Solve for x
   x = 158,354,523.86/18,773.52
6. Step 6: Final answer
   x = 8,434.99