Finding the Fourth Proportional to 2,649.72, 3,656.90 and 1,470.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.72 : 3,656.90 = 1,470.90 : x
2. Step 2: Convert to fraction form
   2,649.72/3,656.90 = 1,470.90/x
3. Step 3: Cross multiply
   2,649.72x = 3,656.90 × 1,470.90
4. Step 4: Simplify right side
   2,649.72x = 5,378,934.21
5. Step 5: Solve for x
   x = 5,378,934.21/2,649.72
6. Step 6: Final answer
   x = 2,030.00