Finding the Fourth Proportional to 7,359.39, 10,152.97 and 4,172.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,359.39 : 10,152.97 = 4,172.02 : x
2. Step 2: Convert to fraction form
   7,359.39/10,152.97 = 4,172.02/x
3. Step 3: Cross multiply
   7,359.39x = 10,152.97 × 4,172.02
4. Step 4: Simplify right side
   7,359.39x = 42,358,322.27
5. Step 5: Solve for x
   x = 42,358,322.27/7,359.39
6. Step 6: Final answer
   x = 5,755.68