Finding the Fourth Proportional to 5,886.36, 8,131.86 and 4,635.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,886.36 : 8,131.86 = 4,635.72 : x
2. Step 2: Convert to fraction form
   5,886.36/8,131.86 = 4,635.72/x
3. Step 3: Cross multiply
   5,886.36x = 8,131.86 × 4,635.72
4. Step 4: Simplify right side
   5,886.36x = 37,697,026.04
5. Step 5: Solve for x
   x = 37,697,026.04/5,886.36
6. Step 6: Final answer
   x = 6,404.13