Finding the Fourth Proportional to 300,111,503.67, 414,144,980.24 and 166,155,390.27

Step by Step Solution

1. Step 1: Write the proportion equation
   300,111,503.67 : 414,144,980.24 = 166,155,390.27 : x
2. Step 2: Convert to fraction form
   300,111,503.67/414,144,980.24 = 166,155,390.27/x
3. Step 3: Cross multiply
   300,111,503.67x = 414,144,980.24 × 166,155,390.27
4. Step 4: Simplify right side
   300,111,503.67x = 68,812,420,819,307,872
5. Step 5: Solve for x
   x = 68,812,420,819,307,872/300,111,503.67
6. Step 6: Final answer
   x = 229,289,513.99