Finding the Fourth Proportional to 2,088.78, 2,883.51 and 1,303.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.78 : 2,883.51 = 1,303.98 : x
2. Step 2: Convert to fraction form
   2,088.78/2,883.51 = 1,303.98/x
3. Step 3: Cross multiply
   2,088.78x = 2,883.51 × 1,303.98
4. Step 4: Simplify right side
   2,088.78x = 3,760,039.37
5. Step 5: Solve for x
   x = 3,760,039.37/2,088.78
6. Step 6: Final answer
   x = 1,800.11