Finding the Fourth Proportional to 10,054.56, 13,875.28 and 5,579

Step by Step Solution

1. Step 1: Write the proportion equation
   10,054.56 : 13,875.28 = 5,579 : x
2. Step 2: Convert to fraction form
   10,054.56/13,875.28 = 5,579/x
3. Step 3: Cross multiply
   10,054.56x = 13,875.28 × 5,579
4. Step 4: Simplify right side
   10,054.56x = 77,410,187.12
5. Step 5: Solve for x
   x = 77,410,187.12/10,054.56
6. Step 6: Final answer
   x = 7,699.01