Finding the Fourth Proportional to 13,808.52, 19,055.22 and 7,520.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,808.52 : 19,055.22 = 7,520.76 : x
2. Step 2: Convert to fraction form
   13,808.52/19,055.22 = 7,520.76/x
3. Step 3: Cross multiply
   13,808.52x = 19,055.22 × 7,520.76
4. Step 4: Simplify right side
   13,808.52x = 143,309,736.37
5. Step 5: Solve for x
   x = 143,309,736.37/13,808.52
6. Step 6: Final answer
   x = 10,378.36