Finding the Fourth Proportional to 2,186,342.18, 3,017,144.42 and 1,219,471.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186,342.18 : 3,017,144.42 = 1,219,471.78 : x
2. Step 2: Convert to fraction form
   2,186,342.18/3,017,144.42 = 1,219,471.78/x
3. Step 3: Cross multiply
   2,186,342.18x = 3,017,144.42 × 1,219,471.78
4. Step 4: Simplify right side
   2,186,342.18x = 3,679,322,476,374.47
5. Step 5: Solve for x
   x = 3,679,322,476,374.47/2,186,342.18
6. Step 6: Final answer
   x = 1,682,866.71