Finding the Fourth Proportional to 2,978.36, 4,109.98 and 1,652.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.36 : 4,109.98 = 1,652.03 : x
2. Step 2: Convert to fraction form
   2,978.36/4,109.98 = 1,652.03/x
3. Step 3: Cross multiply
   2,978.36x = 4,109.98 × 1,652.03
4. Step 4: Simplify right side
   2,978.36x = 6,789,789.71
5. Step 5: Solve for x
   x = 6,789,789.71/2,978.36
6. Step 6: Final answer
   x = 2,279.71