Finding the Fourth Proportional to 8,308.58, 12,463.56 and 4,145.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.58 : 12,463.56 = 4,145.84 : x
2. Step 2: Convert to fraction form
   8,308.58/12,463.56 = 4,145.84/x
3. Step 3: Cross multiply
   8,308.58x = 12,463.56 × 4,145.84
4. Step 4: Simplify right side
   8,308.58x = 51,671,925.59
5. Step 5: Solve for x
   x = 51,671,925.59/8,308.58
6. Step 6: Final answer
   x = 6,219.10