Finding the Fourth Proportional to 2,186,320.92, 3,017,128.20 and 1,219,513.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186,320.92 : 3,017,128.20 = 1,219,513.83 : x
2. Step 2: Convert to fraction form
   2,186,320.92/3,017,128.20 = 1,219,513.83/x
3. Step 3: Cross multiply
   2,186,320.92x = 3,017,128.20 × 1,219,513.83
4. Step 4: Simplify right side
   2,186,320.92x = 3,679,429,566,783.01
5. Step 5: Solve for x
   x = 3,679,429,566,783.01/2,186,320.92
6. Step 6: Final answer
   x = 1,682,932.06