Finding the Fourth Proportional to 2,259,513.29, 3,118,115.76 and 1,227,011.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259,513.29 : 3,118,115.76 = 1,227,011.15 : x
2. Step 2: Convert to fraction form
   2,259,513.29/3,118,115.76 = 1,227,011.15/x
3. Step 3: Cross multiply
   2,259,513.29x = 3,118,115.76 × 1,227,011.15
4. Step 4: Simplify right side
   2,259,513.29x = 3,825,962,807,704.72
5. Step 5: Solve for x
   x = 3,825,962,807,704.72/2,259,513.29
6. Step 6: Final answer
   x = 1,693,268.55