Finding the Fourth Proportional to 7,290.06, 10,935.72 and 3,130.26

Step by Step Solution

1. Step 1: Write the proportion equation
   7,290.06 : 10,935.72 = 3,130.26 : x
2. Step 2: Convert to fraction form
   7,290.06/10,935.72 = 3,130.26/x
3. Step 3: Cross multiply
   7,290.06x = 10,935.72 × 3,130.26
4. Step 4: Simplify right side
   7,290.06x = 34,231,646.89
5. Step 5: Solve for x
   x = 34,231,646.89/7,290.06
6. Step 6: Final answer
   x = 4,695.66