Finding the Fourth Proportional to 10,179.56, 14,047.56 and 5,641.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,179.56 : 14,047.56 = 5,641.80 : x
2. Step 2: Convert to fraction form
   10,179.56/14,047.56 = 5,641.80/x
3. Step 3: Cross multiply
   10,179.56x = 14,047.56 × 5,641.80
4. Step 4: Simplify right side
   10,179.56x = 79,253,524.01
5. Step 5: Solve for x
   x = 79,253,524.01/10,179.56
6. Step 6: Final answer
   x = 7,785.55