Finding the Fourth Proportional to 10,123.91, 15,188.09 and 3,104.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123.91 : 15,188.09 = 3,104.89 : x
2. Step 2: Convert to fraction form
   10,123.91/15,188.09 = 3,104.89/x
3. Step 3: Cross multiply
   10,123.91x = 15,188.09 × 3,104.89
4. Step 4: Simplify right side
   10,123.91x = 47,157,272.82
5. Step 5: Solve for x
   x = 47,157,272.82/10,123.91
6. Step 6: Final answer
   x = 4,658.01