Finding the Fourth Proportional to 2,068,606,604.61, 2,854,737,678.95 and 1,128,869,817.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068,606,604.61 : 2,854,737,678.95 = 1,128,869,817.89 : x
2. Step 2: Convert to fraction form
   2,068,606,604.61/2,854,737,678.95 = 1,128,869,817.89/x
3. Step 3: Cross multiply
   2,068,606,604.61x = 2,854,737,678.95 × 1,128,869,817.89
4. Step 4: Simplify right side
   2,068,606,604.61x = 3,222,627,203,740,089,856
5. Step 5: Solve for x
   x = 3,222,627,203,740,089,856/2,068,606,604.61
6. Step 6: Final answer
   x = 1,557,873,399.69