Finding the Fourth Proportional to 12,070.42, 18,100.16 and 3,747.97

Step by Step Solution

1. Step 1: Write the proportion equation
   12,070.42 : 18,100.16 = 3,747.97 : x
2. Step 2: Convert to fraction form
   12,070.42/18,100.16 = 3,747.97/x
3. Step 3: Cross multiply
   12,070.42x = 18,100.16 × 3,747.97
4. Step 4: Simplify right side
   12,070.42x = 67,838,874.62
5. Step 5: Solve for x
   x = 67,838,874.62/12,070.42
6. Step 6: Final answer
   x = 5,620.26