Finding the Fourth Proportional to 2,799.72, 3,864.87 and 2,053.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.72 : 3,864.87 = 2,053.71 : x
2. Step 2: Convert to fraction form
   2,799.72/3,864.87 = 2,053.71/x
3. Step 3: Cross multiply
   2,799.72x = 3,864.87 × 2,053.71
4. Step 4: Simplify right side
   2,799.72x = 7,937,322.17
5. Step 5: Solve for x
   x = 7,937,322.17/2,799.72
6. Step 6: Final answer
   x = 2,835.04