Finding the Fourth Proportional to 1,904.50, 2,628.57 and 1,076.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.50 : 2,628.57 = 1,076.50 : x
2. Step 2: Convert to fraction form
   1,904.50/2,628.57 = 1,076.50/x
3. Step 3: Cross multiply
   1,904.50x = 2,628.57 × 1,076.50
4. Step 4: Simplify right side
   1,904.50x = 2,829,655.61
5. Step 5: Solve for x
   x = 2,829,655.61/1,904.50
6. Step 6: Final answer
   x = 1,485.77