Finding the Fourth Proportional to 11,986.37, 17,947.25 and 7,816.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,986.37 : 17,947.25 = 7,816.03 : x
2. Step 2: Convert to fraction form
   11,986.37/17,947.25 = 7,816.03/x
3. Step 3: Cross multiply
   11,986.37x = 17,947.25 × 7,816.03
4. Step 4: Simplify right side
   11,986.37x = 140,276,219.09
5. Step 5: Solve for x
   x = 140,276,219.09/11,986.37
6. Step 6: Final answer
   x = 11,702.98