Finding the Fourth Proportional to 13,749.61, 18,974.46 and 7,461.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,749.61 : 18,974.46 = 7,461.98 : x
2. Step 2: Convert to fraction form
   13,749.61/18,974.46 = 7,461.98/x
3. Step 3: Cross multiply
   13,749.61x = 18,974.46 × 7,461.98
4. Step 4: Simplify right side
   13,749.61x = 141,587,152.03
5. Step 5: Solve for x
   x = 141,587,152.03/13,749.61
6. Step 6: Final answer
   x = 10,297.54