Finding the Fourth Proportional to 11,487.50, 15,852.35 and 7,018.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,487.50 : 15,852.35 = 7,018.73 : x
2. Step 2: Convert to fraction form
   11,487.50/15,852.35 = 7,018.73/x
3. Step 3: Cross multiply
   11,487.50x = 15,852.35 × 7,018.73
4. Step 4: Simplify right side
   11,487.50x = 111,263,421.69
5. Step 5: Solve for x
   x = 111,263,421.69/11,487.50
6. Step 6: Final answer
   x = 9,685.61