Finding the Fourth Proportional to 2,472.05, 3,703.80 and 1,300.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.05 : 3,703.80 = 1,300.31 : x
2. Step 2: Convert to fraction form
   2,472.05/3,703.80 = 1,300.31/x
3. Step 3: Cross multiply
   2,472.05x = 3,703.80 × 1,300.31
4. Step 4: Simplify right side
   2,472.05x = 4,816,069.66
5. Step 5: Solve for x
   x = 4,816,069.66/2,472.05
6. Step 6: Final answer
   x = 1,948.21