Finding the Fourth Proportional to 10,445.34, 15,658.02 and 3,869.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,445.34 : 15,658.02 = 3,869.76 : x
2. Step 2: Convert to fraction form
   10,445.34/15,658.02 = 3,869.76/x
3. Step 3: Cross multiply
   10,445.34x = 15,658.02 × 3,869.76
4. Step 4: Simplify right side
   10,445.34x = 60,592,779.48
5. Step 5: Solve for x
   x = 60,592,779.48/10,445.34
6. Step 6: Final answer
   x = 5,800.94