Finding the Fourth Proportional to 713,004.69, 983,850.18 and 407,061.61

Step by Step Solution

1. Step 1: Write the proportion equation
   713,004.69 : 983,850.18 = 407,061.61 : x
2. Step 2: Convert to fraction form
   713,004.69/983,850.18 = 407,061.61/x
3. Step 3: Cross multiply
   713,004.69x = 983,850.18 × 407,061.61
4. Step 4: Simplify right side
   713,004.69x = 400,487,642,632.27
5. Step 5: Solve for x
   x = 400,487,642,632.27/713,004.69
6. Step 6: Final answer
   x = 561,690.05