Finding the Fourth Proportional to 1,914.63, 2,642.48 and 1,169.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.63 : 2,642.48 = 1,169.02 : x
2. Step 2: Convert to fraction form
   1,914.63/2,642.48 = 1,169.02/x
3. Step 3: Cross multiply
   1,914.63x = 2,642.48 × 1,169.02
4. Step 4: Simplify right side
   1,914.63x = 3,089,109.43
5. Step 5: Solve for x
   x = 3,089,109.43/1,914.63
6. Step 6: Final answer
   x = 1,613.42