Finding the Fourth Proportional to 2,521.35, 3,780.50 and 1,134.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.35 : 3,780.50 = 1,134.45 : x
2. Step 2: Convert to fraction form
   2,521.35/3,780.50 = 1,134.45/x
3. Step 3: Cross multiply
   2,521.35x = 3,780.50 × 1,134.45
4. Step 4: Simplify right side
   2,521.35x = 4,288,782.55
5. Step 5: Solve for x
   x = 4,288,782.55/2,521.35
6. Step 6: Final answer
   x = 1,700.99