Finding the Fourth Proportional to 65,802,631,123.69, 90,807,630,950.69 and 37,640,509,651.69

Step by Step Solution

1. Step 1: Write the proportion equation
   65,802,631,123.69 : 90,807,630,950.69 = 37,640,509,651.69 : x
2. Step 2: Convert to fraction form
   65,802,631,123.69/90,807,630,950.69 = 37,640,509,651.69/x
3. Step 3: Cross multiply
   65,802,631,123.69x = 90,807,630,950.69 × 37,640,509,651.69
4. Step 4: Simplify right side
   65,802,631,123.69x = 3,418,045,509,246,181,179,392
5. Step 5: Solve for x
   x = 3,418,045,509,246,181,179,392/65,802,631,123.69
6. Step 6: Final answer
   x = 51,943,903,319.33