Finding the Fourth Proportional to 1,516.68, 2,271.12 and 900.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516.68 : 2,271.12 = 900.82 : x
2. Step 2: Convert to fraction form
   1,516.68/2,271.12 = 900.82/x
3. Step 3: Cross multiply
   1,516.68x = 2,271.12 × 900.82
4. Step 4: Simplify right side
   1,516.68x = 2,045,870.32
5. Step 5: Solve for x
   x = 2,045,870.32/1,516.68
6. Step 6: Final answer
   x = 1,348.91