Finding the Fourth Proportional to 1,785.96, 2,677.98 and 1,300.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,785.96 : 2,677.98 = 1,300.20 : x
2. Step 2: Convert to fraction form
   1,785.96/2,677.98 = 1,300.20/x
3. Step 3: Cross multiply
   1,785.96x = 2,677.98 × 1,300.20
4. Step 4: Simplify right side
   1,785.96x = 3,481,909.60
5. Step 5: Solve for x
   x = 3,481,909.60/1,785.96
6. Step 6: Final answer
   x = 1,949.60