Finding the Fourth Proportional to 1,602.18, 2,211.03 and 938.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,602.18 : 2,211.03 = 938.82 : x
2. Step 2: Convert to fraction form
   1,602.18/2,211.03 = 938.82/x
3. Step 3: Cross multiply
   1,602.18x = 2,211.03 × 938.82
4. Step 4: Simplify right side
   1,602.18x = 2,075,759.18
5. Step 5: Solve for x
   x = 2,075,759.18/1,602.18
6. Step 6: Final answer
   x = 1,295.58