Finding the Fourth Proportional to 3,084,100.60, 4,257,990.78 and 1,981,978.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,084,100.60 : 4,257,990.78 = 1,981,978.96 : x
2. Step 2: Convert to fraction form
   3,084,100.60/4,257,990.78 = 1,981,978.96/x
3. Step 3: Cross multiply
   3,084,100.60x = 4,257,990.78 × 1,981,978.96
4. Step 4: Simplify right side
   3,084,100.60x = 8,439,248,137,833.99
5. Step 5: Solve for x
   x = 8,439,248,137,833.99/3,084,100.60
6. Step 6: Final answer
   x = 2,736,372.52