Finding the Fourth Proportional to 1,684.86, 2,325.13 and 938.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684.86 : 2,325.13 = 938.82 : x
2. Step 2: Convert to fraction form
   1,684.86/2,325.13 = 938.82/x
3. Step 3: Cross multiply
   1,684.86x = 2,325.13 × 938.82
4. Step 4: Simplify right side
   1,684.86x = 2,182,878.55
5. Step 5: Solve for x
   x = 2,182,878.55/1,684.86
6. Step 6: Final answer
   x = 1,295.58