Finding the Fourth Proportional to 14,288.82, 19,719.52 and 7,915.68

Step by Step Solution

1. Step 1: Write the proportion equation
   14,288.82 : 19,719.52 = 7,915.68 : x
2. Step 2: Convert to fraction form
   14,288.82/19,719.52 = 7,915.68/x
3. Step 3: Cross multiply
   14,288.82x = 19,719.52 × 7,915.68
4. Step 4: Simplify right side
   14,288.82x = 156,093,417.77
5. Step 5: Solve for x
   x = 156,093,417.77/14,288.82
6. Step 6: Final answer
   x = 10,924.16