Finding the Fourth Proportional to 5,665.62, 8,501.57 and 1,970.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,665.62 : 8,501.57 = 1,970.50 : x
2. Step 2: Convert to fraction form
   5,665.62/8,501.57 = 1,970.50/x
3. Step 3: Cross multiply
   5,665.62x = 8,501.57 × 1,970.50
4. Step 4: Simplify right side
   5,665.62x = 16,752,343.69
5. Step 5: Solve for x
   x = 16,752,343.69/5,665.62
6. Step 6: Final answer
   x = 2,956.84