Finding the Fourth Proportional to 2,384.55, 3,575.43 and 2,118.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.55 : 3,575.43 = 2,118.06 : x
2. Step 2: Convert to fraction form
   2,384.55/3,575.43 = 2,118.06/x
3. Step 3: Cross multiply
   2,384.55x = 3,575.43 × 2,118.06
4. Step 4: Simplify right side
   2,384.55x = 7,572,975.27
5. Step 5: Solve for x
   x = 7,572,975.27/2,384.55
6. Step 6: Final answer
   x = 3,175.85