Finding the Fourth Proportional to 5,300.17, 7,312.55 and 3,061.75

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.17 : 7,312.55 = 3,061.75 : x
2. Step 2: Convert to fraction form
   5,300.17/7,312.55 = 3,061.75/x
3. Step 3: Cross multiply
   5,300.17x = 7,312.55 × 3,061.75
4. Step 4: Simplify right side
   5,300.17x = 22,389,184.65
5. Step 5: Solve for x
   x = 22,389,184.65/5,300.17
6. Step 6: Final answer
   x = 4,224.24