Finding the Fourth Proportional to 13,856.48, 19,122.72 and 7,568.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,856.48 : 19,122.72 = 7,568.96 : x
2. Step 2: Convert to fraction form
   13,856.48/19,122.72 = 7,568.96/x
3. Step 3: Cross multiply
   13,856.48x = 19,122.72 × 7,568.96
4. Step 4: Simplify right side
   13,856.48x = 144,739,102.77
5. Step 5: Solve for x
   x = 144,739,102.77/13,856.48
6. Step 6: Final answer
   x = 10,445.59