Finding the Fourth Proportional to 2,145,014.86, 3,217,521.15 and 547,577.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,014.86 : 3,217,521.15 = 547,577.38 : x
2. Step 2: Convert to fraction form
   2,145,014.86/3,217,521.15 = 547,577.38/x
3. Step 3: Cross multiply
   2,145,014.86x = 3,217,521.15 × 547,577.38
4. Step 4: Simplify right side
   2,145,014.86x = 1,761,841,801,411.59
5. Step 5: Solve for x
   x = 1,761,841,801,411.59/2,145,014.86
6. Step 6: Final answer
   x = 821,365.78