Finding the Fourth Proportional to 9,316.56, 13,971.90 and 3,075.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,316.56 : 13,971.90 = 3,075.42 : x
2. Step 2: Convert to fraction form
   9,316.56/13,971.90 = 3,075.42/x
3. Step 3: Cross multiply
   9,316.56x = 13,971.90 × 3,075.42
4. Step 4: Simplify right side
   9,316.56x = 42,969,460.70
5. Step 5: Solve for x
   x = 42,969,460.70/9,316.56
6. Step 6: Final answer
   x = 4,612.16