Finding the Fourth Proportional to 6,279.31, 9,412.83 and 2,991.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,279.31 : 9,412.83 = 2,991.52 : x
2. Step 2: Convert to fraction form
   6,279.31/9,412.83 = 2,991.52/x
3. Step 3: Cross multiply
   6,279.31x = 9,412.83 × 2,991.52
4. Step 4: Simplify right side
   6,279.31x = 28,158,669.20
5. Step 5: Solve for x
   x = 28,158,669.20/6,279.31
6. Step 6: Final answer
   x = 4,484.36