Finding the Fourth Proportional to 2,113,900.47, 3,170,823.06 and 516,477.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,900.47 : 3,170,823.06 = 516,477.39 : x
2. Step 2: Convert to fraction form
   2,113,900.47/3,170,823.06 = 516,477.39/x
3. Step 3: Cross multiply
   2,113,900.47x = 3,170,823.06 × 516,477.39
4. Step 4: Simplify right side
   2,113,900.47x = 1,637,658,418,180.61
5. Step 5: Solve for x
   x = 1,637,658,418,180.61/2,113,900.47
6. Step 6: Final answer
   x = 774,709.33