Finding the Fourth Proportional to 2,796.07, 4,194.24 and 1,978.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.07 : 4,194.24 = 1,978.00 : x
2. Step 2: Convert to fraction form
   2,796.07/4,194.24 = 1,978.00/x
3. Step 3: Cross multiply
   2,796.07x = 4,194.24 × 1,978.00
4. Step 4: Simplify right side
   2,796.07x = 8,296,175.86
5. Step 5: Solve for x
   x = 8,296,175.86/2,796.07
6. Step 6: Final answer
   x = 2,967.08