Finding the Fourth Proportional to 8,592.86, 12,878.53 and 4,643.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,592.86 : 12,878.53 = 4,643.98 : x
2. Step 2: Convert to fraction form
   8,592.86/12,878.53 = 4,643.98/x
3. Step 3: Cross multiply
   8,592.86x = 12,878.53 × 4,643.98
4. Step 4: Simplify right side
   8,592.86x = 59,807,591.94
5. Step 5: Solve for x
   x = 59,807,591.94/8,592.86
6. Step 6: Final answer
   x = 6,960.15