Finding the Fourth Proportional to 10,056.18, 13,877.32 and 5,579.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,056.18 : 13,877.32 = 5,579.90 : x
2. Step 2: Convert to fraction form
   10,056.18/13,877.32 = 5,579.90/x
3. Step 3: Cross multiply
   10,056.18x = 13,877.32 × 5,579.90
4. Step 4: Simplify right side
   10,056.18x = 77,433,988.48
5. Step 5: Solve for x
   x = 77,433,988.48/10,056.18
6. Step 6: Final answer
   x = 7,700.14