Finding the Fourth Proportional to 8,638.34, 12,955.56 and 3,373.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,638.34 : 12,955.56 = 3,373.48 : x
2. Step 2: Convert to fraction form
   8,638.34/12,955.56 = 3,373.48/x
3. Step 3: Cross multiply
   8,638.34x = 12,955.56 × 3,373.48
4. Step 4: Simplify right side
   8,638.34x = 43,705,322.55
5. Step 5: Solve for x
   x = 43,705,322.55/8,638.34
6. Step 6: Final answer
   x = 5,059.46