Finding the Fourth Proportional to 13,789.63, 19,029.59 and 7,502.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,789.63 : 19,029.59 = 7,502.05 : x
2. Step 2: Convert to fraction form
   13,789.63/19,029.59 = 7,502.05/x
3. Step 3: Cross multiply
   13,789.63x = 19,029.59 × 7,502.05
4. Step 4: Simplify right side
   13,789.63x = 142,760,898.15
5. Step 5: Solve for x
   x = 142,760,898.15/13,789.63
6. Step 6: Final answer
   x = 10,352.77