Finding the Fourth Proportional to 3,886.08, 5,826.24 and 2,346.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.08 : 5,826.24 = 2,346.72 : x
2. Step 2: Convert to fraction form
   3,886.08/5,826.24 = 2,346.72/x
3. Step 3: Cross multiply
   3,886.08x = 5,826.24 × 2,346.72
4. Step 4: Simplify right side
   3,886.08x = 13,672,553.93
5. Step 5: Solve for x
   x = 13,672,553.93/3,886.08
6. Step 6: Final answer
   x = 3,518.34