Finding the Fourth Proportional to 13,983.76, 19,297.56 and 7,696.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,983.76 : 19,297.56 = 7,696.12 : x
2. Step 2: Convert to fraction form
   13,983.76/19,297.56 = 7,696.12/x
3. Step 3: Cross multiply
   13,983.76x = 19,297.56 × 7,696.12
4. Step 4: Simplify right side
   13,983.76x = 148,516,337.47
5. Step 5: Solve for x
   x = 148,516,337.47/13,983.76
6. Step 6: Final answer
   x = 10,620.63