Finding the Fourth Proportional to 8,647.46, 11,932.61 and 4,870.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,647.46 : 11,932.61 = 4,870.03 : x
2. Step 2: Convert to fraction form
   8,647.46/11,932.61 = 4,870.03/x
3. Step 3: Cross multiply
   8,647.46x = 11,932.61 × 4,870.03
4. Step 4: Simplify right side
   8,647.46x = 58,112,084.67
5. Step 5: Solve for x
   x = 58,112,084.67/8,647.46
6. Step 6: Final answer
   x = 6,720.13