Finding the Fourth Proportional to 5,300.58, 7,947.78 and 3,547.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.58 : 7,947.78 = 3,547.58 : x
2. Step 2: Convert to fraction form
   5,300.58/7,947.78 = 3,547.58/x
3. Step 3: Cross multiply
   5,300.58x = 7,947.78 × 3,547.58
4. Step 4: Simplify right side
   5,300.58x = 28,195,385.37
5. Step 5: Solve for x
   x = 28,195,385.37/5,300.58
6. Step 6: Final answer
   x = 5,319.30