Finding the Fourth Proportional to 375,309,654.98, 517,931,536.93 and 214,394,949.31

Step by Step Solution

1. Step 1: Write the proportion equation
   375,309,654.98 : 517,931,536.93 = 214,394,949.31 : x
2. Step 2: Convert to fraction form
   375,309,654.98/517,931,536.93 = 214,394,949.31/x
3. Step 3: Cross multiply
   375,309,654.98x = 517,931,536.93 × 214,394,949.31
4. Step 4: Simplify right side
   375,309,654.98x = 111,041,905,608,085,728
5. Step 5: Solve for x
   x = 111,041,905,608,085,728/375,309,654.98
6. Step 6: Final answer
   x = 295,867,436.75