Finding the Fourth Proportional to 2,182,208.37, 3,011,540.88 and 1,215,338.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,208.37 : 3,011,540.88 = 1,215,338.50 : x
2. Step 2: Convert to fraction form
   2,182,208.37/3,011,540.88 = 1,215,338.50/x
3. Step 3: Cross multiply
   2,182,208.37x = 3,011,540.88 × 1,215,338.50
4. Step 4: Simplify right side
   2,182,208.37x = 3,660,041,575,787.88
5. Step 5: Solve for x
   x = 3,660,041,575,787.88/2,182,208.37
6. Step 6: Final answer
   x = 1,677,219.11