Finding the Fourth Proportional to 1,915.03, 2,641.98 and 1,169.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915.03 : 2,641.98 = 1,169.22 : x
2. Step 2: Convert to fraction form
   1,915.03/2,641.98 = 1,169.22/x
3. Step 3: Cross multiply
   1,915.03x = 2,641.98 × 1,169.22
4. Step 4: Simplify right side
   1,915.03x = 3,089,055.86
5. Step 5: Solve for x
   x = 3,089,055.86/1,915.03
6. Step 6: Final answer
   x = 1,613.06