Finding the Fourth Proportional to 9,146.42, 12,621.76 and 5,113.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.42 : 12,621.76 = 5,113.14 : x
2. Step 2: Convert to fraction form
   9,146.42/12,621.76 = 5,113.14/x
3. Step 3: Cross multiply
   9,146.42x = 12,621.76 × 5,113.14
4. Step 4: Simplify right side
   9,146.42x = 64,536,825.93
5. Step 5: Solve for x
   x = 64,536,825.93/9,146.42
6. Step 6: Final answer
   x = 7,055.97