Finding the Fourth Proportional to 2,978.01, 4,110.14 and 2,268.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.01 : 4,110.14 = 2,268.72 : x
2. Step 2: Convert to fraction form
   2,978.01/4,110.14 = 2,268.72/x
3. Step 3: Cross multiply
   2,978.01x = 4,110.14 × 2,268.72
4. Step 4: Simplify right side
   2,978.01x = 9,324,756.82
5. Step 5: Solve for x
   x = 9,324,756.82/2,978.01
6. Step 6: Final answer
   x = 3,131.20