Finding the Fourth Proportional to 144,519,787.69, 199,436,801.86 and 78,440,282.32

Step by Step Solution

1. Step 1: Write the proportion equation
   144,519,787.69 : 199,436,801.86 = 78,440,282.32 : x
2. Step 2: Convert to fraction form
   144,519,787.69/199,436,801.86 = 78,440,282.32/x
3. Step 3: Cross multiply
   144,519,787.69x = 199,436,801.86 × 78,440,282.32
4. Step 4: Simplify right side
   144,519,787.69x = 15,643,879,042,896,300
5. Step 5: Solve for x
   x = 15,643,879,042,896,300/144,519,787.69
6. Step 6: Final answer
   x = 108,247,315.42