Finding the Fourth Proportional to 2,123.19, 3,184.56 and 1,300.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.19 : 3,184.56 = 1,300.03 : x
2. Step 2: Convert to fraction form
   2,123.19/3,184.56 = 1,300.03/x
3. Step 3: Cross multiply
   2,123.19x = 3,184.56 × 1,300.03
4. Step 4: Simplify right side
   2,123.19x = 4,140,015.58
5. Step 5: Solve for x
   x = 4,140,015.58/2,123.19
6. Step 6: Final answer
   x = 1,949.90