Finding the Fourth Proportional to 6,910.07, 10,362.06 and 1,978.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,910.07 : 10,362.06 = 1,978.59 : x
2. Step 2: Convert to fraction form
   6,910.07/10,362.06 = 1,978.59/x
3. Step 3: Cross multiply
   6,910.07x = 10,362.06 × 1,978.59
4. Step 4: Simplify right side
   6,910.07x = 20,502,268.30
5. Step 5: Solve for x
   x = 20,502,268.30/6,910.07
6. Step 6: Final answer
   x = 2,967.01