Finding the Fourth Proportional to 1,506.75, 2,080.61 and 948.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,506.75 : 2,080.61 = 948.15 : x
2. Step 2: Convert to fraction form
   1,506.75/2,080.61 = 948.15/x
3. Step 3: Cross multiply
   1,506.75x = 2,080.61 × 948.15
4. Step 4: Simplify right side
   1,506.75x = 1,972,725.63
5. Step 5: Solve for x
   x = 1,972,725.63/1,506.75
6. Step 6: Final answer
   x = 1,309.26