Finding the Fourth Proportional to 13,997.89, 19,317.32 and 7,710.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,997.89 : 19,317.32 = 7,710.27 : x
2. Step 2: Convert to fraction form
   13,997.89/19,317.32 = 7,710.27/x
3. Step 3: Cross multiply
   13,997.89x = 19,317.32 × 7,710.27
4. Step 4: Simplify right side
   13,997.89x = 148,941,752.88
5. Step 5: Solve for x
   x = 148,941,752.88/13,997.89
6. Step 6: Final answer
   x = 10,640.30