Finding the Fourth Proportional to 38,280.12, 52,830.72 and 22,369.92

Step by Step Solution

1. Step 1: Write the proportion equation
   38,280.12 : 52,830.72 = 22,369.92 : x
2. Step 2: Convert to fraction form
   38,280.12/52,830.72 = 22,369.92/x
3. Step 3: Cross multiply
   38,280.12x = 52,830.72 × 22,369.92
4. Step 4: Simplify right side
   38,280.12x = 1,181,818,979.94
5. Step 5: Solve for x
   x = 1,181,818,979.94/38,280.12
6. Step 6: Final answer
   x = 30,872.92