Finding the Fourth Proportional to 8,484.21, 12,725.91 and 4,088.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,484.21 : 12,725.91 = 4,088.34 : x
2. Step 2: Convert to fraction form
   8,484.21/12,725.91 = 4,088.34/x
3. Step 3: Cross multiply
   8,484.21x = 12,725.91 × 4,088.34
4. Step 4: Simplify right side
   8,484.21x = 52,027,846.89
5. Step 5: Solve for x
   x = 52,027,846.89/8,484.21
6. Step 6: Final answer
   x = 6,132.31