Finding the Fourth Proportional to 9,947.88, 14,918.58 and 4,682.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,947.88 : 14,918.58 = 4,682.07 : x
2. Step 2: Convert to fraction form
   9,947.88/14,918.58 = 4,682.07/x
3. Step 3: Cross multiply
   9,947.88x = 14,918.58 × 4,682.07
4. Step 4: Simplify right side
   9,947.88x = 69,849,835.86
5. Step 5: Solve for x
   x = 69,849,835.86/9,947.88
6. Step 6: Final answer
   x = 7,021.58