Finding the Fourth Proportional to 2,124.41, 3,184.54 and 1,011.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.41 : 3,184.54 = 1,011.89 : x
2. Step 2: Convert to fraction form
   2,124.41/3,184.54 = 1,011.89/x
3. Step 3: Cross multiply
   2,124.41x = 3,184.54 × 1,011.89
4. Step 4: Simplify right side
   2,124.41x = 3,222,409.61
5. Step 5: Solve for x
   x = 3,222,409.61/2,124.41
6. Step 6: Final answer
   x = 1,516.85