Finding the Fourth Proportional to 49,669.56, 74,503.71 and 12,230.10

Step by Step Solution

1. Step 1: Write the proportion equation
   49,669.56 : 74,503.71 = 12,230.10 : x
2. Step 2: Convert to fraction form
   49,669.56/74,503.71 = 12,230.10/x
3. Step 3: Cross multiply
   49,669.56x = 74,503.71 × 12,230.10
4. Step 4: Simplify right side
   49,669.56x = 911,187,823.67
5. Step 5: Solve for x
   x = 911,187,823.67/49,669.56
6. Step 6: Final answer
   x = 18,344.99