Finding the Fourth Proportional to 2,111,256.16, 3,166,884.54 and 513,819.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,256.16 : 3,166,884.54 = 513,819.25 : x
2. Step 2: Convert to fraction form
   2,111,256.16/3,166,884.54 = 513,819.25/x
3. Step 3: Cross multiply
   2,111,256.16x = 3,166,884.54 × 513,819.25
4. Step 4: Simplify right side
   2,111,256.16x = 1,627,206,231,262.18
5. Step 5: Solve for x
   x = 1,627,206,231,262.18/2,111,256.16
6. Step 6: Final answer
   x = 770,728.95