Finding the Fourth Proportional to 2,116,379.98, 2,920,625.81 and 1,149,529.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,379.98 : 2,920,625.81 = 1,149,529.15 : x
2. Step 2: Convert to fraction form
   2,116,379.98/2,920,625.81 = 1,149,529.15/x
3. Step 3: Cross multiply
   2,116,379.98x = 2,920,625.81 × 1,149,529.15
4. Step 4: Simplify right side
   2,116,379.98x = 3,357,344,504,837.36
5. Step 5: Solve for x
   x = 3,357,344,504,837.36/2,116,379.98
6. Step 6: Final answer
   x = 1,586,361.87