Finding the Fourth Proportional to 11,487.75, 15,852.70 and 7,018.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,487.75 : 15,852.70 = 7,018.98 : x
2. Step 2: Convert to fraction form
   11,487.75/15,852.70 = 7,018.98/x
3. Step 3: Cross multiply
   11,487.75x = 15,852.70 × 7,018.98
4. Step 4: Simplify right side
   11,487.75x = 111,269,784.25
5. Step 5: Solve for x
   x = 111,269,784.25/11,487.75
6. Step 6: Final answer
   x = 9,685.95