Finding the Fourth Proportional to 1,637.00, 2,258.50 and 928.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637.00 : 2,258.50 = 928.76 : x
2. Step 2: Convert to fraction form
   1,637.00/2,258.50 = 928.76/x
3. Step 3: Cross multiply
   1,637.00x = 2,258.50 × 928.76
4. Step 4: Simplify right side
   1,637.00x = 2,097,599.82
5. Step 5: Solve for x
   x = 2,097,599.82/1,637.00
6. Step 6: Final answer
   x = 1,281.37