Finding the Fourth Proportional to 10,179.39, 14,047.52 and 5,642.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,179.39 : 14,047.52 = 5,642.36 : x
2. Step 2: Convert to fraction form
   10,179.39/14,047.52 = 5,642.36/x
3. Step 3: Cross multiply
   10,179.39x = 14,047.52 × 5,642.36
4. Step 4: Simplify right side
   10,179.39x = 79,261,164.95
5. Step 5: Solve for x
   x = 79,261,164.95/10,179.39
6. Step 6: Final answer
   x = 7,786.44