Finding the Fourth Proportional to 2,126,111.23, 3,190,494.98 and 863,938.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126,111.23 : 3,190,494.98 = 863,938.45 : x
2. Step 2: Convert to fraction form
   2,126,111.23/3,190,494.98 = 863,938.45/x
3. Step 3: Cross multiply
   2,126,111.23x = 3,190,494.98 × 863,938.45
4. Step 4: Simplify right side
   2,126,111.23x = 2,756,391,287,753.98
5. Step 5: Solve for x
   x = 2,756,391,287,753.98/2,126,111.23
6. Step 6: Final answer
   x = 1,296,447.36