Finding the Fourth Proportional to 1,581.77, 2,367.15 and 1,300.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581.77 : 2,367.15 = 1,300.76 : x
2. Step 2: Convert to fraction form
   1,581.77/2,367.15 = 1,300.76/x
3. Step 3: Cross multiply
   1,581.77x = 2,367.15 × 1,300.76
4. Step 4: Simplify right side
   1,581.77x = 3,079,094.03
5. Step 5: Solve for x
   x = 3,079,094.03/1,581.77
6. Step 6: Final answer
   x = 1,946.61