Finding the Fourth Proportional to 4,978.01, 7,469.93 and 1,860.17

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.01 : 7,469.93 = 1,860.17 : x
2. Step 2: Convert to fraction form
   4,978.01/7,469.93 = 1,860.17/x
3. Step 3: Cross multiply
   4,978.01x = 7,469.93 × 1,860.17
4. Step 4: Simplify right side
   4,978.01x = 13,895,293.04
5. Step 5: Solve for x
   x = 13,895,293.04/4,978.01
6. Step 6: Final answer
   x = 2,791.33