Finding the Fourth Proportional to 1,018,607.98, 1,405,674.31 and 559,751.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,607.98 : 1,405,674.31 = 559,751.08 : x
2. Step 2: Convert to fraction form
   1,018,607.98/1,405,674.31 = 559,751.08/x
3. Step 3: Cross multiply
   1,018,607.98x = 1,405,674.31 × 559,751.08
4. Step 4: Simplify right side
   1,018,607.98x = 786,827,713,150.76
5. Step 5: Solve for x
   x = 786,827,713,150.76/1,018,607.98
6. Step 6: Final answer
   x = 772,453.91