Finding the Fourth Proportional to 49,602.29, 74,401.88 and 12,162.47

Step by Step Solution

1. Step 1: Write the proportion equation
   49,602.29 : 74,401.88 = 12,162.47 : x
2. Step 2: Convert to fraction form
   49,602.29/74,401.88 = 12,162.47/x
3. Step 3: Cross multiply
   49,602.29x = 74,401.88 × 12,162.47
4. Step 4: Simplify right side
   49,602.29x = 904,910,200.62
5. Step 5: Solve for x
   x = 904,910,200.62/49,602.29
6. Step 6: Final answer
   x = 18,243.32