Finding the Fourth Proportional to 528,068.40, 741,162 and 528,068.40

Step by Step Solution

1. Step 1: Write the proportion equation
   528,068.40 : 741,162 = 528,068.40 : x
2. Step 2: Convert to fraction form
   528,068.40/741,162 = 528,068.40/x
3. Step 3: Cross multiply
   528,068.40x = 741,162 × 528,068.40
4. Step 4: Simplify right side
   528,068.40x = 391,384,231,480.80
5. Step 5: Solve for x
   x = 391,384,231,480.80/528,068.40
6. Step 6: Final answer
   x = 741,162