Finding the Fourth Proportional to 10,275.02, 14,179.54 and 5,559.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.02 : 14,179.54 = 5,559.30 : x
2. Step 2: Convert to fraction form
   10,275.02/14,179.54 = 5,559.30/x
3. Step 3: Cross multiply
   10,275.02x = 14,179.54 × 5,559.30
4. Step 4: Simplify right side
   10,275.02x = 78,828,316.72
5. Step 5: Solve for x
   x = 78,828,316.72/10,275.02
6. Step 6: Final answer
   x = 7,671.84