Finding the Fourth Proportional to 6,459.32, 8,910.56 and 4,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,459.32 : 8,910.56 = 4,222.50 : x
2. Step 2: Convert to fraction form
   6,459.32/8,910.56 = 4,222.50/x
3. Step 3: Cross multiply
   6,459.32x = 8,910.56 × 4,222.50
4. Step 4: Simplify right side
   6,459.32x = 37,624,839.60
5. Step 5: Solve for x
   x = 37,624,839.60/6,459.32
6. Step 6: Final answer
   x = 5,824.89