Finding the Fourth Proportional to 9,300.81, 13,947.78 and 3,059

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.81 : 13,947.78 = 3,059 : x
2. Step 2: Convert to fraction form
   9,300.81/13,947.78 = 3,059/x
3. Step 3: Cross multiply
   9,300.81x = 13,947.78 × 3,059
4. Step 4: Simplify right side
   9,300.81x = 42,666,259.02
5. Step 5: Solve for x
   x = 42,666,259.02/9,300.81
6. Step 6: Final answer
   x = 4,587.37