Finding the Fourth Proportional to 1,945,705,728.74, 2,921,470,889.67 and 1,684,201,327.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945,705,728.74 : 2,921,470,889.67 = 1,684,201,327.34 : x
2. Step 2: Convert to fraction form
   1,945,705,728.74/2,921,470,889.67 = 1,684,201,327.34/x
3. Step 3: Cross multiply
   1,945,705,728.74x = 2,921,470,889.67 × 1,684,201,327.34
4. Step 4: Simplify right side
   1,945,705,728.74x = 4,920,345,150,167,384,064
5. Step 5: Solve for x
   x = 4,920,345,150,167,384,064/1,945,705,728.74
6. Step 6: Final answer
   x = 2,528,822,872.59