Finding the Fourth Proportional to 13,916.07, 19,203.89 and 7,628.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,916.07 : 19,203.89 = 7,628.04 : x
2. Step 2: Convert to fraction form
   13,916.07/19,203.89 = 7,628.04/x
3. Step 3: Cross multiply
   13,916.07x = 19,203.89 × 7,628.04
4. Step 4: Simplify right side
   13,916.07x = 146,488,002.94
5. Step 5: Solve for x
   x = 146,488,002.94/13,916.07
6. Step 6: Final answer
   x = 10,526.54