Finding the Fourth Proportional to 205,799,093.94, 308,463,822.56 and 82,898,769.98

Step by Step Solution

1. Step 1: Write the proportion equation
   205,799,093.94 : 308,463,822.56 = 82,898,769.98 : x
2. Step 2: Convert to fraction form
   205,799,093.94/308,463,822.56 = 82,898,769.98/x
3. Step 3: Cross multiply
   205,799,093.94x = 308,463,822.56 × 82,898,769.98
4. Step 4: Simplify right side
   205,799,093.94x = 25,571,271,473,552,976
5. Step 5: Solve for x
   x = 25,571,271,473,552,976/205,799,093.94
6. Step 6: Final answer
   x = 124,253,566.84