Finding the Fourth Proportional to 300,870.03, 415,220.00 and 166,742.67

Step by Step Solution

1. Step 1: Write the proportion equation
   300,870.03 : 415,220.00 = 166,742.67 : x
2. Step 2: Convert to fraction form
   300,870.03/415,220.00 = 166,742.67/x
3. Step 3: Cross multiply
   300,870.03x = 415,220.00 × 166,742.67
4. Step 4: Simplify right side
   300,870.03x = 69,234,890,603.69
5. Step 5: Solve for x
   x = 69,234,890,603.69/300,870.03
6. Step 6: Final answer
   x = 230,115.61