Finding the Fourth Proportional to 10,074.60, 15,114.46 and 5,918.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,074.60 : 15,114.46 = 5,918.12 : x
2. Step 2: Convert to fraction form
   10,074.60/15,114.46 = 5,918.12/x
3. Step 3: Cross multiply
   10,074.60x = 15,114.46 × 5,918.12
4. Step 4: Simplify right side
   10,074.60x = 89,449,158.42
5. Step 5: Solve for x
   x = 89,449,158.42/10,074.60
6. Step 6: Final answer
   x = 8,878.69