Finding the Fourth Proportional to 34,692.27, 52,007.16 and 12,490.03

Step by Step Solution

1. Step 1: Write the proportion equation
   34,692.27 : 52,007.16 = 12,490.03 : x
2. Step 2: Convert to fraction form
   34,692.27/52,007.16 = 12,490.03/x
3. Step 3: Cross multiply
   34,692.27x = 52,007.16 × 12,490.03
4. Step 4: Simplify right side
   34,692.27x = 649,571,100.46
5. Step 5: Solve for x
   x = 649,571,100.46/34,692.27
6. Step 6: Final answer
   x = 18,723.80