Finding the Fourth Proportional to 5,153.88, 7,112.52 and 2,796.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,153.88 : 7,112.52 = 2,796.12 : x
2. Step 2: Convert to fraction form
   5,153.88/7,112.52 = 2,796.12/x
3. Step 3: Cross multiply
   5,153.88x = 7,112.52 × 2,796.12
4. Step 4: Simplify right side
   5,153.88x = 19,887,459.42
5. Step 5: Solve for x
   x = 19,887,459.42/5,153.88
6. Step 6: Final answer
   x = 3,858.74