Finding the Fourth Proportional to 6,012.03, 8,300.70 and 3,919.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,012.03 : 8,300.70 = 3,919.80 : x
2. Step 2: Convert to fraction form
   6,012.03/8,300.70 = 3,919.80/x
3. Step 3: Cross multiply
   6,012.03x = 8,300.70 × 3,919.80
4. Step 4: Simplify right side
   6,012.03x = 32,537,083.86
5. Step 5: Solve for x
   x = 32,537,083.86/6,012.03
6. Step 6: Final answer
   x = 5,412.00