Finding the Fourth Proportional to 2,124, 3,184.38 and 1,148.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124 : 3,184.38 = 1,148.76 : x
2. Step 2: Convert to fraction form
   2,124/3,184.38 = 1,148.76/x
3. Step 3: Cross multiply
   2,124x = 3,184.38 × 1,148.76
4. Step 4: Simplify right side
   2,124x = 3,658,088.37
5. Step 5: Solve for x
   x = 3,658,088.37/2,124
6. Step 6: Final answer
   x = 1,722.26