Finding the Fourth Proportional to 1,690.79, 2,334.35 and 1,103.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,690.79 : 2,334.35 = 1,103.00 : x
2. Step 2: Convert to fraction form
   1,690.79/2,334.35 = 1,103.00/x
3. Step 3: Cross multiply
   1,690.79x = 2,334.35 × 1,103.00
4. Step 4: Simplify right side
   1,690.79x = 2,574,770.86
5. Step 5: Solve for x
   x = 2,574,770.86/1,690.79
6. Step 6: Final answer
   x = 1,522.83