Finding the Fourth Proportional to 2,182,964.78, 3,012,493.12 and 1,216,097.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,964.78 : 3,012,493.12 = 1,216,097.48 : x
2. Step 2: Convert to fraction form
   2,182,964.78/3,012,493.12 = 1,216,097.48/x
3. Step 3: Cross multiply
   2,182,964.78x = 3,012,493.12 × 1,216,097.48
4. Step 4: Simplify right side
   2,182,964.78x = 3,663,485,291,749.34
5. Step 5: Solve for x
   x = 3,663,485,291,749.34/2,182,964.78
6. Step 6: Final answer
   x = 1,678,215.48