Finding the Fourth Proportional to 7,300.08, 10,954.29 and 2,858.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300.08 : 10,954.29 = 2,858.12 : x
2. Step 2: Convert to fraction form
   7,300.08/10,954.29 = 2,858.12/x
3. Step 3: Cross multiply
   7,300.08x = 10,954.29 × 2,858.12
4. Step 4: Simplify right side
   7,300.08x = 31,308,620.56
5. Step 5: Solve for x
   x = 31,308,620.56/7,300.08
6. Step 6: Final answer
   x = 4,288.81