Finding the Fourth Proportional to 1,428,048.42, 2,142,143.82 and 468,418.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,048.42 : 2,142,143.82 = 468,418.74 : x
2. Step 2: Convert to fraction form
   1,428,048.42/2,142,143.82 = 468,418.74/x
3. Step 3: Cross multiply
   1,428,048.42x = 2,142,143.82 × 468,418.74
4. Step 4: Simplify right side
   1,428,048.42x = 1,003,420,309,063.19
5. Step 5: Solve for x
   x = 1,003,420,309,063.19/1,428,048.42
6. Step 6: Final answer
   x = 702,651.46