Finding the Fourth Proportional to 10,054.72, 13,877.17 and 5,579.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,054.72 : 13,877.17 = 5,579.90 : x
2. Step 2: Convert to fraction form
   10,054.72/13,877.17 = 5,579.90/x
3. Step 3: Cross multiply
   10,054.72x = 13,877.17 × 5,579.90
4. Step 4: Simplify right side
   10,054.72x = 77,433,299.03
5. Step 5: Solve for x
   x = 77,433,299.03/10,054.72
6. Step 6: Final answer
   x = 7,701.19