Finding the Fourth Proportional to 13,812.10, 19,060.52 and 7,524.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,812.10 : 19,060.52 = 7,524.48 : x
2. Step 2: Convert to fraction form
   13,812.10/19,060.52 = 7,524.48/x
3. Step 3: Cross multiply
   13,812.10x = 19,060.52 × 7,524.48
4. Step 4: Simplify right side
   13,812.10x = 143,420,501.53
5. Step 5: Solve for x
   x = 143,420,501.53/13,812.10
6. Step 6: Final answer
   x = 10,383.69