Finding the Fourth Proportional to 2,111,401.84, 3,166,615.68 and 1,258,712.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,401.84 : 3,166,615.68 = 1,258,712.68 : x
2. Step 2: Convert to fraction form
   2,111,401.84/3,166,615.68 = 1,258,712.68/x
3. Step 3: Cross multiply
   2,111,401.84x = 3,166,615.68 × 1,258,712.68
4. Step 4: Simplify right side
   2,111,401.84x = 3,985,859,309,102.82
5. Step 5: Solve for x
   x = 3,985,859,309,102.82/2,111,401.84
6. Step 6: Final answer
   x = 1,887,778.65