Finding the Fourth Proportional to 13,703.52, 18,910.82 and 7,415.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,703.52 : 18,910.82 = 7,415.88 : x
2. Step 2: Convert to fraction form
   13,703.52/18,910.82 = 7,415.88/x
3. Step 3: Cross multiply
   13,703.52x = 18,910.82 × 7,415.88
4. Step 4: Simplify right side
   13,703.52x = 140,240,371.82
5. Step 5: Solve for x
   x = 140,240,371.82/13,703.52
6. Step 6: Final answer
   x = 10,233.89