Finding the Fourth Proportional to 2,124.63, 2,931.95 and 1,180.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.63 : 2,931.95 = 1,180.42 : x
2. Step 2: Convert to fraction form
   2,124.63/2,931.95 = 1,180.42/x
3. Step 3: Cross multiply
   2,124.63x = 2,931.95 × 1,180.42
4. Step 4: Simplify right side
   2,124.63x = 3,460,911.86
5. Step 5: Solve for x
   x = 3,460,911.86/2,124.63
6. Step 6: Final answer
   x = 1,628.95