Finding the Fourth Proportional to 13,903.31, 19,187.04 and 7,616.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,903.31 : 19,187.04 = 7,616.09 : x
2. Step 2: Convert to fraction form
   13,903.31/19,187.04 = 7,616.09/x
3. Step 3: Cross multiply
   13,903.31x = 19,187.04 × 7,616.09
4. Step 4: Simplify right side
   13,903.31x = 146,130,300.00
5. Step 5: Solve for x
   x = 146,130,300.00/13,903.31
6. Step 6: Final answer
   x = 10,510.47