Finding the Fourth Proportional to 5,533.20, 8,300.70 and 2,070.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,533.20 : 8,300.70 = 2,070.72 : x
2. Step 2: Convert to fraction form
   5,533.20/8,300.70 = 2,070.72/x
3. Step 3: Cross multiply
   5,533.20x = 8,300.70 × 2,070.72
4. Step 4: Simplify right side
   5,533.20x = 17,188,425.50
5. Step 5: Solve for x
   x = 17,188,425.50/5,533.20
6. Step 6: Final answer
   x = 3,106.42