Finding the Fourth Proportional to 28,088.54, 42,141.93 and 8,367.27

Step by Step Solution

1. Step 1: Write the proportion equation
   28,088.54 : 42,141.93 = 8,367.27 : x
2. Step 2: Convert to fraction form
   28,088.54/42,141.93 = 8,367.27/x
3. Step 3: Cross multiply
   28,088.54x = 42,141.93 × 8,367.27
4. Step 4: Simplify right side
   28,088.54x = 352,612,875.25
5. Step 5: Solve for x
   x = 352,612,875.25/28,088.54
6. Step 6: Final answer
   x = 12,553.62