Finding the Fourth Proportional to 8,978.58, 13,470.62 and 4,046.85

Step by Step Solution

1. Step 1: Write the proportion equation
   8,978.58 : 13,470.62 = 4,046.85 : x
2. Step 2: Convert to fraction form
   8,978.58/13,470.62 = 4,046.85/x
3. Step 3: Cross multiply
   8,978.58x = 13,470.62 × 4,046.85
4. Step 4: Simplify right side
   8,978.58x = 54,513,558.31
5. Step 5: Solve for x
   x = 54,513,558.31/8,978.58
6. Step 6: Final answer
   x = 6,071.51