Finding the Fourth Proportional to 2,635,688,088.72, 3,950,752,532.22 and 864,596,330.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635,688,088.72 : 3,950,752,532.22 = 864,596,330.10 : x
2. Step 2: Convert to fraction form
   2,635,688,088.72/3,950,752,532.22 = 864,596,330.10/x
3. Step 3: Cross multiply
   2,635,688,088.72x = 3,950,752,532.22 × 864,596,330.10
4. Step 4: Simplify right side
   2,635,688,088.72x = 3,415,806,140,490,694,144
5. Step 5: Solve for x
   x = 3,415,806,140,490,694,144/2,635,688,088.72
6. Step 6: Final answer
   x = 1,295,982,690.48