Finding the Fourth Proportional to 2,796.71, 3,859.47 and 1,537.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.71 : 3,859.47 = 1,537.90 : x
2. Step 2: Convert to fraction form
   2,796.71/3,859.47 = 1,537.90/x
3. Step 3: Cross multiply
   2,796.71x = 3,859.47 × 1,537.90
4. Step 4: Simplify right side
   2,796.71x = 5,935,459.62
5. Step 5: Solve for x
   x = 5,935,459.62/2,796.71
6. Step 6: Final answer
   x = 2,122.30