Finding the Fourth Proportional to 2,152.47, 2,970.88 and 1,649.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.47 : 2,970.88 = 1,649.67 : x
2. Step 2: Convert to fraction form
   2,152.47/2,970.88 = 1,649.67/x
3. Step 3: Cross multiply
   2,152.47x = 2,970.88 × 1,649.67
4. Step 4: Simplify right side
   2,152.47x = 4,900,956.34
5. Step 5: Solve for x
   x = 4,900,956.34/2,152.47
6. Step 6: Final answer
   x = 2,276.89