Finding the Fourth Proportional to 606,940.10, 848,141.50 and 606,940.10

Step by Step Solution

1. Step 1: Write the proportion equation
   606,940.10 : 848,141.50 = 606,940.10 : x
2. Step 2: Convert to fraction form
   606,940.10/848,141.50 = 606,940.10/x
3. Step 3: Cross multiply
   606,940.10x = 848,141.50 × 606,940.10
4. Step 4: Simplify right side
   606,940.10x = 514,771,086,824.15
5. Step 5: Solve for x
   x = 514,771,086,824.15/606,940.10
6. Step 6: Final answer
   x = 848,141.50