Finding the Fourth Proportional to 2,521,238.34, 3,781,890.27 and 838,341.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521,238.34 : 3,781,890.27 = 838,341.78 : x
2. Step 2: Convert to fraction form
   2,521,238.34/3,781,890.27 = 838,341.78/x
3. Step 3: Cross multiply
   2,521,238.34x = 3,781,890.27 × 838,341.78
4. Step 4: Simplify right side
   2,521,238.34x = 3,170,516,620,716.48
5. Step 5: Solve for x
   x = 3,170,516,620,716.48/2,521,238.34
6. Step 6: Final answer
   x = 1,257,523.56