Finding the Fourth Proportional to 9,781.53, 14,672.16 and 2,386.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781.53 : 14,672.16 = 2,386.02 : x
2. Step 2: Convert to fraction form
   9,781.53/14,672.16 = 2,386.02/x
3. Step 3: Cross multiply
   9,781.53x = 14,672.16 × 2,386.02
4. Step 4: Simplify right side
   9,781.53x = 35,008,067.20
5. Step 5: Solve for x
   x = 35,008,067.20/9,781.53
6. Step 6: Final answer
   x = 3,579.00