Finding the Fourth Proportional to 13,773.90, 19,007.99 and 7,486.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773.90 : 19,007.99 = 7,486.27 : x
2. Step 2: Convert to fraction form
   13,773.90/19,007.99 = 7,486.27/x
3. Step 3: Cross multiply
   13,773.90x = 19,007.99 × 7,486.27
4. Step 4: Simplify right side
   13,773.90x = 142,298,945.30
5. Step 5: Solve for x
   x = 142,298,945.30/13,773.90
6. Step 6: Final answer
   x = 10,331.06