Finding the Fourth Proportional to 1,384.03, 1,909.95 and 754.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.03 : 1,909.95 = 754.55 : x
2. Step 2: Convert to fraction form
   1,384.03/1,909.95 = 754.55/x
3. Step 3: Cross multiply
   1,384.03x = 1,909.95 × 754.55
4. Step 4: Simplify right side
   1,384.03x = 1,441,152.77
5. Step 5: Solve for x
   x = 1,441,152.77/1,384.03
6. Step 6: Final answer
   x = 1,041.27