Finding the Fourth Proportional to 13,916.06, 19,204.05 and 7,628.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,916.06 : 19,204.05 = 7,628.42 : x
2. Step 2: Convert to fraction form
   13,916.06/19,204.05 = 7,628.42/x
3. Step 3: Cross multiply
   13,916.06x = 19,204.05 × 7,628.42
4. Step 4: Simplify right side
   13,916.06x = 146,496,559.10
5. Step 5: Solve for x
   x = 146,496,559.10/13,916.06
6. Step 6: Final answer
   x = 10,527.16