Finding the Fourth Proportional to 2,859,980,085.82, 4,289,983,829.94 and 868,039,448.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,859,980,085.82 : 4,289,983,829.94 = 868,039,448.10 : x
2. Step 2: Convert to fraction form
   2,859,980,085.82/4,289,983,829.94 = 868,039,448.10/x
3. Step 3: Cross multiply
   2,859,980,085.82x = 4,289,983,829.94 × 868,039,448.10
4. Step 4: Simplify right side
   2,859,980,085.82x = 3,723,875,196,099,041,792
5. Step 5: Solve for x
   x = 3,723,875,196,099,041,792/2,859,980,085.82
6. Step 6: Final answer
   x = 1,302,063,330.64