Finding the Fourth Proportional to 2,182,817.32, 3,012,378.64 and 1,215,947.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,817.32 : 3,012,378.64 = 1,215,947.34 : x
2. Step 2: Convert to fraction form
   2,182,817.32/3,012,378.64 = 1,215,947.34/x
3. Step 3: Cross multiply
   2,182,817.32x = 3,012,378.64 × 1,215,947.34
4. Step 4: Simplify right side
   2,182,817.32x = 3,662,893,791,340.95
5. Step 5: Solve for x
   x = 3,662,893,791,340.95/2,182,817.32
6. Step 6: Final answer
   x = 1,678,057.88