Finding the Fourth Proportional to 2,116,137.39, 2,920,449.69 and 1,198,529.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,137.39 : 2,920,449.69 = 1,198,529.77 : x
2. Step 2: Convert to fraction form
   2,116,137.39/2,920,449.69 = 1,198,529.77/x
3. Step 3: Cross multiply
   2,116,137.39x = 2,920,449.69 × 1,198,529.77
4. Step 4: Simplify right side
   2,116,137.39x = 3,500,245,884,002.78
5. Step 5: Solve for x
   x = 3,500,245,884,002.78/2,116,137.39
6. Step 6: Final answer
   x = 1,654,073.08