Finding the Fourth Proportional to 8,938.92, 13,409.60 and 3,094.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,938.92 : 13,409.60 = 3,094.78 : x
2. Step 2: Convert to fraction form
   8,938.92/13,409.60 = 3,094.78/x
3. Step 3: Cross multiply
   8,938.92x = 13,409.60 × 3,094.78
4. Step 4: Simplify right side
   8,938.92x = 41,499,761.89
5. Step 5: Solve for x
   x = 41,499,761.89/8,938.92
6. Step 6: Final answer
   x = 4,642.59