Finding the Fourth Proportional to 10,054.79, 13,877.27 and 5,579.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,054.79 : 13,877.27 = 5,579.98 : x
2. Step 2: Convert to fraction form
   10,054.79/13,877.27 = 5,579.98/x
3. Step 3: Cross multiply
   10,054.79x = 13,877.27 × 5,579.98
4. Step 4: Simplify right side
   10,054.79x = 77,434,861.15
5. Step 5: Solve for x
   x = 77,434,861.15/10,054.79
6. Step 6: Final answer
   x = 7,701.29