Finding the Fourth Proportional to 12,675.42, 17,492.13 and 7,086.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,675.42 : 17,492.13 = 7,086.42 : x
2. Step 2: Convert to fraction form
   12,675.42/17,492.13 = 7,086.42/x
3. Step 3: Cross multiply
   12,675.42x = 17,492.13 × 7,086.42
4. Step 4: Simplify right side
   12,675.42x = 123,956,579.87
5. Step 5: Solve for x
   x = 123,956,579.87/12,675.42
6. Step 6: Final answer
   x = 9,779.29