Finding the Fourth Proportional to 13,900.84, 19,183.62 and 7,613.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,900.84 : 19,183.62 = 7,613.56 : x
2. Step 2: Convert to fraction form
   13,900.84/19,183.62 = 7,613.56/x
3. Step 3: Cross multiply
   13,900.84x = 19,183.62 × 7,613.56
4. Step 4: Simplify right side
   13,900.84x = 146,055,641.89
5. Step 5: Solve for x
   x = 146,055,641.89/13,900.84
6. Step 6: Final answer
   x = 10,506.97