Finding the Fourth Proportional to 35,679.30, 53,514.72 and 9,386.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,679.30 : 53,514.72 = 9,386.10 : x
2. Step 2: Convert to fraction form
   35,679.30/53,514.72 = 9,386.10/x
3. Step 3: Cross multiply
   35,679.30x = 53,514.72 × 9,386.10
4. Step 4: Simplify right side
   35,679.30x = 502,294,513.39
5. Step 5: Solve for x
   x = 502,294,513.39/35,679.30
6. Step 6: Final answer
   x = 14,078.04