Finding the Fourth Proportional to 726,959.39, 1,003,213.50 and 400,310.69

Step by Step Solution

1. Step 1: Write the proportion equation
   726,959.39 : 1,003,213.50 = 400,310.69 : x
2. Step 2: Convert to fraction form
   726,959.39/1,003,213.50 = 400,310.69/x
3. Step 3: Cross multiply
   726,959.39x = 1,003,213.50 × 400,310.69
4. Step 4: Simplify right side
   726,959.39x = 401,597,088,402.32
5. Step 5: Solve for x
   x = 401,597,088,402.32/726,959.39
6. Step 6: Final answer
   x = 552,434.01