Finding the Fourth Proportional to 2,810,772.72, 3,878,867.60 and 1,521,613.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,772.72 : 3,878,867.60 = 1,521,613.06 : x
2. Step 2: Convert to fraction form
   2,810,772.72/3,878,867.60 = 1,521,613.06/x
3. Step 3: Cross multiply
   2,810,772.72x = 3,878,867.60 × 1,521,613.06
4. Step 4: Simplify right side
   2,810,772.72x = 5,902,135,598,170.86
5. Step 5: Solve for x
   x = 5,902,135,598,170.86/2,810,772.72
6. Step 6: Final answer
   x = 2,099,826.70