Finding the Fourth Proportional to 4,978.26, 7,461.90 and 2,054.96

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.26 : 7,461.90 = 2,054.96 : x
2. Step 2: Convert to fraction form
   4,978.26/7,461.90 = 2,054.96/x
3. Step 3: Cross multiply
   4,978.26x = 7,461.90 × 2,054.96
4. Step 4: Simplify right side
   4,978.26x = 15,333,906.02
5. Step 5: Solve for x
   x = 15,333,906.02/4,978.26
6. Step 6: Final answer
   x = 3,080.17