Finding the Fourth Proportional to 2,610.93, 3,598.99 and 1,978.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.93 : 3,598.99 = 1,978.93 : x
2. Step 2: Convert to fraction form
   2,610.93/3,598.99 = 1,978.93/x
3. Step 3: Cross multiply
   2,610.93x = 3,598.99 × 1,978.93
4. Step 4: Simplify right side
   2,610.93x = 7,122,148.83
5. Step 5: Solve for x
   x = 7,122,148.83/2,610.93
6. Step 6: Final answer
   x = 2,727.82