Finding the Fourth Proportional to 13,812.12, 19,060.73 and 7,524.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,812.12 : 19,060.73 = 7,524.50 : x
2. Step 2: Convert to fraction form
   13,812.12/19,060.73 = 7,524.50/x
3. Step 3: Cross multiply
   13,812.12x = 19,060.73 × 7,524.50
4. Step 4: Simplify right side
   13,812.12x = 143,422,386.39
5. Step 5: Solve for x
   x = 143,422,386.39/13,812.12
6. Step 6: Final answer
   x = 10,383.81