Finding the Fourth Proportional to 6,443,407,424.79, 8,892,676,330.31 and 3,903,014,853.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443,407,424.79 : 8,892,676,330.31 = 3,903,014,853.47 : x
2. Step 2: Convert to fraction form
   6,443,407,424.79/8,892,676,330.31 = 3,903,014,853.47/x
3. Step 3: Cross multiply
   6,443,407,424.79x = 8,892,676,330.31 × 3,903,014,853.47
4. Step 4: Simplify right side
   6,443,407,424.79x = 34,708,247,804,333,010,944
5. Step 5: Solve for x
   x = 34,708,247,804,333,010,944/6,443,407,424.79
6. Step 6: Final answer
   x = 5,386,629,389.72