Finding the Fourth Proportional to 2,182,137.53, 3,011,443.21 and 1,215,267.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,137.53 : 3,011,443.21 = 1,215,267.82 : x
2. Step 2: Convert to fraction form
   2,182,137.53/3,011,443.21 = 1,215,267.82/x
3. Step 3: Cross multiply
   2,182,137.53x = 3,011,443.21 × 1,215,267.82
4. Step 4: Simplify right side
   2,182,137.53x = 3,659,710,024,870.50
5. Step 5: Solve for x
   x = 3,659,710,024,870.50/2,182,137.53
6. Step 6: Final answer
   x = 1,677,121.62