Finding the Fourth Proportional to 8,978.33, 13,459.18 and 4,586.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,978.33 : 13,459.18 = 4,586.10 : x
2. Step 2: Convert to fraction form
   8,978.33/13,459.18 = 4,586.10/x
3. Step 3: Cross multiply
   8,978.33x = 13,459.18 × 4,586.10
4. Step 4: Simplify right side
   8,978.33x = 61,725,145.40
5. Step 5: Solve for x
   x = 61,725,145.40/8,978.33
6. Step 6: Final answer
   x = 6,874.90