Finding the Fourth Proportional to 3,005,139.42, 4,507,758.54 and 846,216.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,005,139.42 : 4,507,758.54 = 846,216.45 : x
2. Step 2: Convert to fraction form
   3,005,139.42/4,507,758.54 = 846,216.45/x
3. Step 3: Cross multiply
   3,005,139.42x = 4,507,758.54 × 846,216.45
4. Step 4: Simplify right side
   3,005,139.42x = 3,814,539,429,175.98
5. Step 5: Solve for x
   x = 3,814,539,429,175.98/3,005,139.42
6. Step 6: Final answer
   x = 1,269,338.59