Finding the Fourth Proportional to 1,914.22, 2,635.50 and 1,664.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.22 : 2,635.50 = 1,664.74 : x
2. Step 2: Convert to fraction form
   1,914.22/2,635.50 = 1,664.74/x
3. Step 3: Cross multiply
   1,914.22x = 2,635.50 × 1,664.74
4. Step 4: Simplify right side
   1,914.22x = 4,387,422.27
5. Step 5: Solve for x
   x = 4,387,422.27/1,914.22
6. Step 6: Final answer
   x = 2,292.02