Finding the Fourth Proportional to 8,530.61, 12,790.42 and 3,598.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,530.61 : 12,790.42 = 3,598.93 : x
2. Step 2: Convert to fraction form
   8,530.61/12,790.42 = 3,598.93/x
3. Step 3: Cross multiply
   8,530.61x = 12,790.42 × 3,598.93
4. Step 4: Simplify right side
   8,530.61x = 46,031,826.25
5. Step 5: Solve for x
   x = 46,031,826.25/8,530.61
6. Step 6: Final answer
   x = 5,396.08