Finding the Fourth Proportional to 1,801.84, 2,707.48 and 936.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.84 : 2,707.48 = 936.72 : x
2. Step 2: Convert to fraction form
   1,801.84/2,707.48 = 936.72/x
3. Step 3: Cross multiply
   1,801.84x = 2,707.48 × 936.72
4. Step 4: Simplify right side
   1,801.84x = 2,536,150.67
5. Step 5: Solve for x
   x = 2,536,150.67/1,801.84
6. Step 6: Final answer
   x = 1,407.53