Finding the Fourth Proportional to 1,513.01, 2,087.46 and 849.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.01 : 2,087.46 = 849.74 : x
2. Step 2: Convert to fraction form
   1,513.01/2,087.46 = 849.74/x
3. Step 3: Cross multiply
   1,513.01x = 2,087.46 × 849.74
4. Step 4: Simplify right side
   1,513.01x = 1,773,787.82
5. Step 5: Solve for x
   x = 1,773,787.82/1,513.01
6. Step 6: Final answer
   x = 1,172.36