Finding the Fourth Proportional to 468,561.69, 646,131.83 and 400,802.96

Step by Step Solution

1. Step 1: Write the proportion equation
   468,561.69 : 646,131.83 = 400,802.96 : x
2. Step 2: Convert to fraction form
   468,561.69/646,131.83 = 400,802.96/x
3. Step 3: Cross multiply
   468,561.69x = 646,131.83 × 400,802.96
4. Step 4: Simplify right side
   468,561.69x = 258,971,549,625.53
5. Step 5: Solve for x
   x = 258,971,549,625.53/468,561.69
6. Step 6: Final answer
   x = 552,694.67