Finding the Fourth Proportional to 5,300.22, 7,312.17 and 3,061.65

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.22 : 7,312.17 = 3,061.65 : x
2. Step 2: Convert to fraction form
   5,300.22/7,312.17 = 3,061.65/x
3. Step 3: Cross multiply
   5,300.22x = 7,312.17 × 3,061.65
4. Step 4: Simplify right side
   5,300.22x = 22,387,305.28
5. Step 5: Solve for x
   x = 22,387,305.28/5,300.22
6. Step 6: Final answer
   x = 4,223.84