Finding the Fourth Proportional to 1,522.17, 2,100.62 and 849.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.17 : 2,100.62 = 849.95 : x
2. Step 2: Convert to fraction form
   1,522.17/2,100.62 = 849.95/x
3. Step 3: Cross multiply
   1,522.17x = 2,100.62 × 849.95
4. Step 4: Simplify right side
   1,522.17x = 1,785,407.22
5. Step 5: Solve for x
   x = 1,785,407.22/1,522.17
6. Step 6: Final answer
   x = 1,172.94