Finding the Fourth Proportional to 3,871,994.00, 5,343,481.31 and 2,129,737.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871,994.00 : 5,343,481.31 = 2,129,737.05 : x
2. Step 2: Convert to fraction form
   3,871,994.00/5,343,481.31 = 2,129,737.05/x
3. Step 3: Cross multiply
   3,871,994.00x = 5,343,481.31 × 2,129,737.05
4. Step 4: Simplify right side
   3,871,994.00x = 11,380,210,111,240.85
5. Step 5: Solve for x
   x = 11,380,210,111,240.85/3,871,994.00
6. Step 6: Final answer
   x = 2,939,108.41