Finding the Fourth Proportional to 2,573,770.27, 3,860,685.13 and 776,669.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573,770.27 : 3,860,685.13 = 776,669.31 : x
2. Step 2: Convert to fraction form
   2,573,770.27/3,860,685.13 = 776,669.31/x
3. Step 3: Cross multiply
   2,573,770.27x = 3,860,685.13 × 776,669.31
4. Step 4: Simplify right side
   2,573,770.27x = 2,998,475,655,558.94
5. Step 5: Solve for x
   x = 2,998,475,655,558.94/2,573,770.27
6. Step 6: Final answer
   x = 1,165,012.94