Finding the Fourth Proportional to 2,112,389.89, 2,914,883.72 and 1,296,627.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,389.89 : 2,914,883.72 = 1,296,627.95 : x
2. Step 2: Convert to fraction form
   2,112,389.89/2,914,883.72 = 1,296,627.95/x
3. Step 3: Cross multiply
   2,112,389.89x = 2,914,883.72 × 1,296,627.95
4. Step 4: Simplify right side
   2,112,389.89x = 3,779,519,708,018.40
5. Step 5: Solve for x
   x = 3,779,519,708,018.40/2,112,389.89
6. Step 6: Final answer
   x = 1,789,215.02