Finding the Fourth Proportional to 3,699.32, 5,105.52 and 2,127.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.32 : 5,105.52 = 2,127.40 : x
2. Step 2: Convert to fraction form
   3,699.32/5,105.52 = 2,127.40/x
3. Step 3: Cross multiply
   3,699.32x = 5,105.52 × 2,127.40
4. Step 4: Simplify right side
   3,699.32x = 10,861,483.25
5. Step 5: Solve for x
   x = 10,861,483.25/3,699.32
6. Step 6: Final answer
   x = 2,936.08