Finding the Fourth Proportional to 1,347.30, 1,859.72 and 948.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.30 : 1,859.72 = 948.62 : x
2. Step 2: Convert to fraction form
   1,347.30/1,859.72 = 948.62/x
3. Step 3: Cross multiply
   1,347.30x = 1,859.72 × 948.62
4. Step 4: Simplify right side
   1,347.30x = 1,764,153.54
5. Step 5: Solve for x
   x = 1,764,153.54/1,347.30
6. Step 6: Final answer
   x = 1,309.40