Finding the Fourth Proportional to 10,123.35, 15,174.63 and 3,881.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123.35 : 15,174.63 = 3,881.76 : x
2. Step 2: Convert to fraction form
   10,123.35/15,174.63 = 3,881.76/x
3. Step 3: Cross multiply
   10,123.35x = 15,174.63 × 3,881.76
4. Step 4: Simplify right side
   10,123.35x = 58,904,271.75
5. Step 5: Solve for x
   x = 58,904,271.75/10,123.35
6. Step 6: Final answer
   x = 5,818.65