Finding the Fourth Proportional to 13,982.79, 19,297.53 and 7,695.57

Step by Step Solution

1. Step 1: Write the proportion equation
   13,982.79 : 19,297.53 = 7,695.57 : x
2. Step 2: Convert to fraction form
   13,982.79/19,297.53 = 7,695.57/x
3. Step 3: Cross multiply
   13,982.79x = 19,297.53 × 7,695.57
4. Step 4: Simplify right side
   13,982.79x = 148,505,492.94
5. Step 5: Solve for x
   x = 148,505,492.94/13,982.79
6. Step 6: Final answer
   x = 10,620.59