Finding the Fourth Proportional to 8,085.24, 12,130.74 and 3,465.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,085.24 : 12,130.74 = 3,465.72 : x
2. Step 2: Convert to fraction form
   8,085.24/12,130.74 = 3,465.72/x
3. Step 3: Cross multiply
   8,085.24x = 12,130.74 × 3,465.72
4. Step 4: Simplify right side
   8,085.24x = 42,041,748.23
5. Step 5: Solve for x
   x = 42,041,748.23/8,085.24
6. Step 6: Final answer
   x = 5,199.81