Finding the Fourth Proportional to 9,152.32, 12,630.11 and 5,119.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152.32 : 12,630.11 = 5,119.10 : x
2. Step 2: Convert to fraction form
   9,152.32/12,630.11 = 5,119.10/x
3. Step 3: Cross multiply
   9,152.32x = 12,630.11 × 5,119.10
4. Step 4: Simplify right side
   9,152.32x = 64,654,762.39
5. Step 5: Solve for x
   x = 64,654,762.39/9,152.32
6. Step 6: Final answer
   x = 7,064.31