Finding the Fourth Proportional to 13,896.16, 19,176.72 and 7,522.77

Step by Step Solution

1. Step 1: Write the proportion equation
   13,896.16 : 19,176.72 = 7,522.77 : x
2. Step 2: Convert to fraction form
   13,896.16/19,176.72 = 7,522.77/x
3. Step 3: Cross multiply
   13,896.16x = 19,176.72 × 7,522.77
4. Step 4: Simplify right side
   13,896.16x = 144,262,097.62
5. Step 5: Solve for x
   x = 144,262,097.62/13,896.16
6. Step 6: Final answer
   x = 10,381.44