Finding the Fourth Proportional to 2,386.83, 3,581.16 and 927.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.83 : 3,581.16 = 927.01 : x
2. Step 2: Convert to fraction form
   2,386.83/3,581.16 = 927.01/x
3. Step 3: Cross multiply
   2,386.83x = 3,581.16 × 927.01
4. Step 4: Simplify right side
   2,386.83x = 3,319,748.59
5. Step 5: Solve for x
   x = 3,319,748.59/2,386.83
6. Step 6: Final answer
   x = 1,390.86