Finding the Fourth Proportional to 12,100, 18,152.88 and 3,892

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100 : 18,152.88 = 3,892 : x
2. Step 2: Convert to fraction form
   12,100/18,152.88 = 3,892/x
3. Step 3: Cross multiply
   12,100x = 18,152.88 × 3,892
4. Step 4: Simplify right side
   12,100x = 70,651,008.96
5. Step 5: Solve for x
   x = 70,651,008.96/12,100
6. Step 6: Final answer
   x = 5,838.93