Finding the Fourth Proportional to 3,666.72, 5,498.92 and 1,934.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.72 : 5,498.92 = 1,934.40 : x
2. Step 2: Convert to fraction form
   3,666.72/5,498.92 = 1,934.40/x
3. Step 3: Cross multiply
   3,666.72x = 5,498.92 × 1,934.40
4. Step 4: Simplify right side
   3,666.72x = 10,637,110.85
5. Step 5: Solve for x
   x = 10,637,110.85/3,666.72
6. Step 6: Final answer
   x = 2,900.99