Finding the Fourth Proportional to 2,810,722.01, 3,878,778.92 and 1,521,553.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,722.01 : 3,878,778.92 = 1,521,553.09 : x
2. Step 2: Convert to fraction form
   2,810,722.01/3,878,778.92 = 1,521,553.09/x
3. Step 3: Cross multiply
   2,810,722.01x = 3,878,778.92 × 1,521,553.09
4. Step 4: Simplify right side
   2,810,722.01x = 5,901,768,051,152.86
5. Step 5: Solve for x
   x = 5,901,768,051,152.86/2,810,722.01
6. Step 6: Final answer
   x = 2,099,733.82