Finding the Fourth Proportional to 2,386.95, 3,581.01 and 926.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.95 : 3,581.01 = 926.52 : x
2. Step 2: Convert to fraction form
   2,386.95/3,581.01 = 926.52/x
3. Step 3: Cross multiply
   2,386.95x = 3,581.01 × 926.52
4. Step 4: Simplify right side
   2,386.95x = 3,317,877.39
5. Step 5: Solve for x
   x = 3,317,877.39/2,386.95
6. Step 6: Final answer
   x = 1,390.01