Finding the Fourth Proportional to 626,633.51, 939,903.77 and 200,152.10

Step by Step Solution

1. Step 1: Write the proportion equation
   626,633.51 : 939,903.77 = 200,152.10 : x
2. Step 2: Convert to fraction form
   626,633.51/939,903.77 = 200,152.10/x
3. Step 3: Cross multiply
   626,633.51x = 939,903.77 × 200,152.10
4. Step 4: Simplify right side
   626,633.51x = 188,123,707,663.14
5. Step 5: Solve for x
   x = 188,123,707,663.14/626,633.51
6. Step 6: Final answer
   x = 300,213.29