Finding the Fourth Proportional to 8,602.86, 12,910.52 and 3,056.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,602.86 : 12,910.52 = 3,056.25 : x
2. Step 2: Convert to fraction form
   8,602.86/12,910.52 = 3,056.25/x
3. Step 3: Cross multiply
   8,602.86x = 12,910.52 × 3,056.25
4. Step 4: Simplify right side
   8,602.86x = 39,457,761.47
5. Step 5: Solve for x
   x = 39,457,761.47/8,602.86
6. Step 6: Final answer
   x = 4,586.59