Finding the Fourth Proportional to 8,686.82, 13,030.84 and 3,492.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,686.82 : 13,030.84 = 3,492.72 : x
2. Step 2: Convert to fraction form
   8,686.82/13,030.84 = 3,492.72/x
3. Step 3: Cross multiply
   8,686.82x = 13,030.84 × 3,492.72
4. Step 4: Simplify right side
   8,686.82x = 45,513,075.48
5. Step 5: Solve for x
   x = 45,513,075.48/8,686.82
6. Step 6: Final answer
   x = 5,239.33