Finding the Fourth Proportional to 1,519,456.70, 2,279,322.34 and 439,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519,456.70 : 2,279,322.34 = 439,953.50 : x
2. Step 2: Convert to fraction form
   1,519,456.70/2,279,322.34 = 439,953.50/x
3. Step 3: Cross multiply
   1,519,456.70x = 2,279,322.34 × 439,953.50
4. Step 4: Simplify right side
   1,519,456.70x = 1,002,795,841,111.19
5. Step 5: Solve for x
   x = 1,002,795,841,111.19/1,519,456.70
6. Step 6: Final answer
   x = 659,970.00