Finding the Fourth Proportional to 2,105,518.82, 3,159,679.84 and 1,146,216.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,518.82 : 3,159,679.84 = 1,146,216.59 : x
2. Step 2: Convert to fraction form
   2,105,518.82/3,159,679.84 = 1,146,216.59/x
3. Step 3: Cross multiply
   2,105,518.82x = 3,159,679.84 × 1,146,216.59
4. Step 4: Simplify right side
   2,105,518.82x = 3,621,677,433,032.60
5. Step 5: Solve for x
   x = 3,621,677,433,032.60/2,105,518.82
6. Step 6: Final answer
   x = 1,720,087.89