Finding the Fourth Proportional to 2,978.22, 4,110.06 and 1,783.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.22 : 4,110.06 = 1,783.02 : x
2. Step 2: Convert to fraction form
   2,978.22/4,110.06 = 1,783.02/x
3. Step 3: Cross multiply
   2,978.22x = 4,110.06 × 1,783.02
4. Step 4: Simplify right side
   2,978.22x = 7,328,319.18
5. Step 5: Solve for x
   x = 7,328,319.18/2,978.22
6. Step 6: Final answer
   x = 2,460.64