Finding the Fourth Proportional to 4,931.83, 7,388.02 and 2,987.83

Step by Step Solution

1. Step 1: Write the proportion equation
   4,931.83 : 7,388.02 = 2,987.83 : x
2. Step 2: Convert to fraction form
   4,931.83/7,388.02 = 2,987.83/x
3. Step 3: Cross multiply
   4,931.83x = 7,388.02 × 2,987.83
4. Step 4: Simplify right side
   4,931.83x = 22,074,147.80
5. Step 5: Solve for x
   x = 22,074,147.80/4,931.83
6. Step 6: Final answer
   x = 4,475.85