Finding the Fourth Proportional to 13,747.71, 18,971.86 and 7,460.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,747.71 : 18,971.86 = 7,460.09 : x
2. Step 2: Convert to fraction form
   13,747.71/18,971.86 = 7,460.09/x
3. Step 3: Cross multiply
   13,747.71x = 18,971.86 × 7,460.09
4. Step 4: Simplify right side
   13,747.71x = 141,531,650.91
5. Step 5: Solve for x
   x = 141,531,650.91/13,747.71
6. Step 6: Final answer
   x = 10,294.93