Finding the Fourth Proportional to 12,071.40, 18,100.62 and 3,747.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.40 : 18,100.62 = 3,747.84 : x
2. Step 2: Convert to fraction form
   12,071.40/18,100.62 = 3,747.84/x
3. Step 3: Cross multiply
   12,071.40x = 18,100.62 × 3,747.84
4. Step 4: Simplify right side
   12,071.40x = 67,838,227.66
5. Step 5: Solve for x
   x = 67,838,227.66/12,071.40
6. Step 6: Final answer
   x = 5,619.75