Finding the Fourth Proportional to 1,513.04, 2,087.76 and 849.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.04 : 2,087.76 = 849.92 : x
2. Step 2: Convert to fraction form
   1,513.04/2,087.76 = 849.92/x
3. Step 3: Cross multiply
   1,513.04x = 2,087.76 × 849.92
4. Step 4: Simplify right side
   1,513.04x = 1,774,428.98
5. Step 5: Solve for x
   x = 1,774,428.98/1,513.04
6. Step 6: Final answer
   x = 1,172.76