Finding the Fourth Proportional to 2,653.84, 3,981.72 and 1,010.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,653.84 : 3,981.72 = 1,010.92 : x
2. Step 2: Convert to fraction form
   2,653.84/3,981.72 = 1,010.92/x
3. Step 3: Cross multiply
   2,653.84x = 3,981.72 × 1,010.92
4. Step 4: Simplify right side
   2,653.84x = 4,025,200.38
5. Step 5: Solve for x
   x = 4,025,200.38/2,653.84
6. Step 6: Final answer
   x = 1,516.75