Finding the Fourth Proportional to 28,223.35, 42,341.69 and 8,233.49

Step by Step Solution

1. Step 1: Write the proportion equation
   28,223.35 : 42,341.69 = 8,233.49 : x
2. Step 2: Convert to fraction form
   28,223.35/42,341.69 = 8,233.49/x
3. Step 3: Cross multiply
   28,223.35x = 42,341.69 × 8,233.49
4. Step 4: Simplify right side
   28,223.35x = 348,619,663.61
5. Step 5: Solve for x
   x = 348,619,663.61/28,223.35
6. Step 6: Final answer
   x = 12,352.17