Finding the Fourth Proportional to 2,107,664.56, 3,161,499.12 and 986,520.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,664.56 : 3,161,499.12 = 986,520.88 : x
2. Step 2: Convert to fraction form
   2,107,664.56/3,161,499.12 = 986,520.88/x
3. Step 3: Cross multiply
   2,107,664.56x = 3,161,499.12 × 986,520.88
4. Step 4: Simplify right side
   2,107,664.56x = 3,118,884,893,981.63
5. Step 5: Solve for x
   x = 3,118,884,893,981.63/2,107,664.56
6. Step 6: Final answer
   x = 1,479,782.39