Finding the Fourth Proportional to 10,955.22, 16,427.88 and 5,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,955.22 : 16,427.88 = 5,113.50 : x
2. Step 2: Convert to fraction form
   10,955.22/16,427.88 = 5,113.50/x
3. Step 3: Cross multiply
   10,955.22x = 16,427.88 × 5,113.50
4. Step 4: Simplify right side
   10,955.22x = 84,003,964.38
5. Step 5: Solve for x
   x = 84,003,964.38/10,955.22
6. Step 6: Final answer
   x = 7,667.94