Finding the Fourth Proportional to 2,573,772.27, 3,860,688.13 and 776,671.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573,772.27 : 3,860,688.13 = 776,671.31 : x
2. Step 2: Convert to fraction form
   2,573,772.27/3,860,688.13 = 776,671.31/x
3. Step 3: Cross multiply
   2,573,772.27x = 3,860,688.13 × 776,671.31
4. Step 4: Simplify right side
   2,573,772.27x = 2,998,485,707,428.55
5. Step 5: Solve for x
   x = 2,998,485,707,428.55/2,573,772.27
6. Step 6: Final answer
   x = 1,165,015.93