Finding the Fourth Proportional to 5,101.83, 7,698.69 and 4,918.77

Step by Step Solution

1. Step 1: Write the proportion equation
   5,101.83 : 7,698.69 = 4,918.77 : x
2. Step 2: Convert to fraction form
   5,101.83/7,698.69 = 4,918.77/x
3. Step 3: Cross multiply
   5,101.83x = 7,698.69 × 4,918.77
4. Step 4: Simplify right side
   5,101.83x = 37,868,085.41
5. Step 5: Solve for x
   x = 37,868,085.41/5,101.83
6. Step 6: Final answer
   x = 7,422.45