Finding the Fourth Proportional to 205,706,231.48, 308,558,499.89 and 74,517,787.82

Step by Step Solution

1. Step 1: Write the proportion equation
   205,706,231.48 : 308,558,499.89 = 74,517,787.82 : x
2. Step 2: Convert to fraction form
   205,706,231.48/308,558,499.89 = 74,517,787.82/x
3. Step 3: Cross multiply
   205,706,231.48x = 308,558,499.89 × 74,517,787.82
4. Step 4: Simplify right side
   205,706,231.48x = 22,993,096,825,259,320
5. Step 5: Solve for x
   x = 22,993,096,825,259,320/205,706,231.48
6. Step 6: Final answer
   x = 111,776,374.78