Finding the Fourth Proportional to 5,099.00, 7,643.59 and 2,788.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,099.00 : 7,643.59 = 2,788.88 : x
2. Step 2: Convert to fraction form
   5,099.00/7,643.59 = 2,788.88/x
3. Step 3: Cross multiply
   5,099.00x = 7,643.59 × 2,788.88
4. Step 4: Simplify right side
   5,099.00x = 21,317,010.09
5. Step 5: Solve for x
   x = 21,317,010.09/5,099.00
6. Step 6: Final answer
   x = 4,180.63