Finding the Fourth Proportional to 8,870.93, 12,241.81 and 4,892.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.93 : 12,241.81 = 4,892.21 : x
2. Step 2: Convert to fraction form
   8,870.93/12,241.81 = 4,892.21/x
3. Step 3: Cross multiply
   8,870.93x = 12,241.81 × 4,892.21
4. Step 4: Simplify right side
   8,870.93x = 59,889,505.30
5. Step 5: Solve for x
   x = 59,889,505.30/8,870.93
6. Step 6: Final answer
   x = 6,751.21