Finding the Fourth Proportional to 496,556,364.89, 744,861,709.89 and 201,407,651.67

Step by Step Solution

1. Step 1: Write the proportion equation
   496,556,364.89 : 744,861,709.89 = 201,407,651.67 : x
2. Step 2: Convert to fraction form
   496,556,364.89/744,861,709.89 = 201,407,651.67/x
3. Step 3: Cross multiply
   496,556,364.89x = 744,861,709.89 × 201,407,651.67
4. Step 4: Simplify right side
   496,556,364.89x = 150,020,847,810,638,944
5. Step 5: Solve for x
   x = 150,020,847,810,638,944/496,556,364.89
6. Step 6: Final answer
   x = 302,122,494.88