Finding the Fourth Proportional to 2,182,821.56, 3,012,384.52 and 1,215,951.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,821.56 : 3,012,384.52 = 1,215,951.60 : x
2. Step 2: Convert to fraction form
   2,182,821.56/3,012,384.52 = 1,215,951.60/x
3. Step 3: Cross multiply
   2,182,821.56x = 3,012,384.52 × 1,215,951.60
4. Step 4: Simplify right side
   2,182,821.56x = 3,662,913,776,909.23
5. Step 5: Solve for x
   x = 3,662,913,776,909.23/2,182,821.56
6. Step 6: Final answer
   x = 1,678,063.77