Finding the Fourth Proportional to 1,499,821.69, 2,250,063.02 and 434,908.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,821.69 : 2,250,063.02 = 434,908.21 : x
2. Step 2: Convert to fraction form
   1,499,821.69/2,250,063.02 = 434,908.21/x
3. Step 3: Cross multiply
   1,499,821.69x = 2,250,063.02 × 434,908.21
4. Step 4: Simplify right side
   1,499,821.69x = 978,570,878,240.85
5. Step 5: Solve for x
   x = 978,570,878,240.85/1,499,821.69
6. Step 6: Final answer
   x = 652,458.15