Finding the Fourth Proportional to 2,078,336,200.68, 2,868,081,099.68 and 1,125,693,238.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078,336,200.68 : 2,868,081,099.68 = 1,125,693,238.05 : x
2. Step 2: Convert to fraction form
   2,078,336,200.68/2,868,081,099.68 = 1,125,693,238.05/x
3. Step 3: Cross multiply
   2,078,336,200.68x = 2,868,081,099.68 × 1,125,693,238.05
4. Step 4: Simplify right side
   2,078,336,200.68x = 3,228,579,500,083,155,456
5. Step 5: Solve for x
   x = 3,228,579,500,083,155,456/2,078,336,200.68
6. Step 6: Final answer
   x = 1,553,444,288.29