Finding the Fourth Proportional to 6,851.00, 9,445.78 and 5,590.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,851.00 : 9,445.78 = 5,590.78 : x
2. Step 2: Convert to fraction form
   6,851.00/9,445.78 = 5,590.78/x
3. Step 3: Cross multiply
   6,851.00x = 9,445.78 × 5,590.78
4. Step 4: Simplify right side
   6,851.00x = 52,809,240.32
5. Step 5: Solve for x
   x = 52,809,240.32/6,851.00
6. Step 6: Final answer
   x = 7,708.25