Finding the Fourth Proportional to 7,321.88, 10,106.01 and 4,179.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,321.88 : 10,106.01 = 4,179.89 : x
2. Step 2: Convert to fraction form
   7,321.88/10,106.01 = 4,179.89/x
3. Step 3: Cross multiply
   7,321.88x = 10,106.01 × 4,179.89
4. Step 4: Simplify right side
   7,321.88x = 42,241,959.61
5. Step 5: Solve for x
   x = 42,241,959.61/7,321.88
6. Step 6: Final answer
   x = 5,769.28