Finding the Fourth Proportional to 8,045.01, 12,065.18 and 3,113.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,045.01 : 12,065.18 = 3,113.55 : x
2. Step 2: Convert to fraction form
   8,045.01/12,065.18 = 3,113.55/x
3. Step 3: Cross multiply
   8,045.01x = 12,065.18 × 3,113.55
4. Step 4: Simplify right side
   8,045.01x = 37,565,525.62
5. Step 5: Solve for x
   x = 37,565,525.62/8,045.01
6. Step 6: Final answer
   x = 4,669.42