Finding the Fourth Proportional to 2,758.34, 3,807.99 and 2,127.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.34 : 3,807.99 = 2,127.50 : x
2. Step 2: Convert to fraction form
   2,758.34/3,807.99 = 2,127.50/x
3. Step 3: Cross multiply
   2,758.34x = 3,807.99 × 2,127.50
4. Step 4: Simplify right side
   2,758.34x = 8,101,498.73
5. Step 5: Solve for x
   x = 8,101,498.73/2,758.34
6. Step 6: Final answer
   x = 2,937.09