Finding the Fourth Proportional to 12,065.90, 18,100.53 and 3,746.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,065.90 : 18,100.53 = 3,746.55 : x
2. Step 2: Convert to fraction form
   12,065.90/18,100.53 = 3,746.55/x
3. Step 3: Cross multiply
   12,065.90x = 18,100.53 × 3,746.55
4. Step 4: Simplify right side
   12,065.90x = 67,814,608.55
5. Step 5: Solve for x
   x = 67,814,608.55/12,065.90
6. Step 6: Final answer
   x = 5,620.35