Finding the Fourth Proportional to 10,270.05, 14,172.60 and 5,554.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,270.05 : 14,172.60 = 5,554.32 : x
2. Step 2: Convert to fraction form
   10,270.05/14,172.60 = 5,554.32/x
3. Step 3: Cross multiply
   10,270.05x = 14,172.60 × 5,554.32
4. Step 4: Simplify right side
   10,270.05x = 78,719,155.63
5. Step 5: Solve for x
   x = 78,719,155.63/10,270.05
6. Step 6: Final answer
   x = 7,664.92