Finding the Fourth Proportional to 2,810,756.31, 3,878,842.89 and 1,521,595.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,756.31 : 3,878,842.89 = 1,521,595.76 : x
2. Step 2: Convert to fraction form
   2,810,756.31/3,878,842.89 = 1,521,595.76/x
3. Step 3: Cross multiply
   2,810,756.31x = 3,878,842.89 × 1,521,595.76
4. Step 4: Simplify right side
   2,810,756.31x = 5,902,030,875,735.93
5. Step 5: Solve for x
   x = 5,902,030,875,735.93/2,810,756.31
6. Step 6: Final answer
   x = 2,099,801.70