Finding the Fourth Proportional to 374,062,632.30, 516,222,374.67 and 209,050,196.94

Step by Step Solution

1. Step 1: Write the proportion equation
   374,062,632.30 : 516,222,374.67 = 209,050,196.94 : x
2. Step 2: Convert to fraction form
   374,062,632.30/516,222,374.67 = 209,050,196.94/x
3. Step 3: Cross multiply
   374,062,632.30x = 516,222,374.67 × 209,050,196.94
4. Step 4: Simplify right side
   374,062,632.30x = 107,916,389,089,597,968
5. Step 5: Solve for x
   x = 107,916,389,089,597,968/374,062,632.30
6. Step 6: Final answer
   x = 288,498,181.24