Finding the Fourth Proportional to 1,513.01, 2,087.98 and 849.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.01 : 2,087.98 = 849.83 : x
2. Step 2: Convert to fraction form
   1,513.01/2,087.98 = 849.83/x
3. Step 3: Cross multiply
   1,513.01x = 2,087.98 × 849.83
4. Step 4: Simplify right side
   1,513.01x = 1,774,415.48
5. Step 5: Solve for x
   x = 1,774,415.48/1,513.01
6. Step 6: Final answer
   x = 1,172.77