Finding the Fourth Proportional to 10,948.56, 15,108.96 and 5,980.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,948.56 : 15,108.96 = 5,980.56 : x
2. Step 2: Convert to fraction form
   10,948.56/15,108.96 = 5,980.56/x
3. Step 3: Cross multiply
   10,948.56x = 15,108.96 × 5,980.56
4. Step 4: Simplify right side
   10,948.56x = 90,360,041.82
5. Step 5: Solve for x
   x = 90,360,041.82/10,948.56
6. Step 6: Final answer
   x = 8,253.14