Finding the Fourth Proportional to 8,986.47, 13,470.86 and 3,360.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,986.47 : 13,470.86 = 3,360.02 : x
2. Step 2: Convert to fraction form
   8,986.47/13,470.86 = 3,360.02/x
3. Step 3: Cross multiply
   8,986.47x = 13,470.86 × 3,360.02
4. Step 4: Simplify right side
   8,986.47x = 45,262,274.86
5. Step 5: Solve for x
   x = 45,262,274.86/8,986.47
6. Step 6: Final answer
   x = 5,036.71