Finding the Fourth Proportional to 80,848,467.45, 121,277,949.98 and 42,584,715.45

Step by Step Solution

1. Step 1: Write the proportion equation
   80,848,467.45 : 121,277,949.98 = 42,584,715.45 : x
2. Step 2: Convert to fraction form
   80,848,467.45/121,277,949.98 = 42,584,715.45/x
3. Step 3: Cross multiply
   80,848,467.45x = 121,277,949.98 × 42,584,715.45
4. Step 4: Simplify right side
   80,848,467.45x = 5,164,586,990,044,710
5. Step 5: Solve for x
   x = 5,164,586,990,044,710/80,848,467.45
6. Step 6: Final answer
   x = 63,879,837.84