Finding the Fourth Proportional to 2,185,500.35, 3,276,380.64 and 838,629.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,500.35 : 3,276,380.64 = 838,629.47 : x
2. Step 2: Convert to fraction form
   2,185,500.35/3,276,380.64 = 838,629.47/x
3. Step 3: Cross multiply
   2,185,500.35x = 3,276,380.64 × 838,629.47
4. Step 4: Simplify right side
   2,185,500.35x = 2,747,669,359,641.46
5. Step 5: Solve for x
   x = 2,747,669,359,641.46/2,185,500.35
6. Step 6: Final answer
   x = 1,257,226.68