Finding the Fourth Proportional to 4,978.04, 7,467.95 and 1,690.83

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.04 : 7,467.95 = 1,690.83 : x
2. Step 2: Convert to fraction form
   4,978.04/7,467.95 = 1,690.83/x
3. Step 3: Cross multiply
   4,978.04x = 7,467.95 × 1,690.83
4. Step 4: Simplify right side
   4,978.04x = 12,627,038.13
5. Step 5: Solve for x
   x = 12,627,038.13/4,978.04
6. Step 6: Final answer
   x = 2,536.55