Finding the Fourth Proportional to 2,160,426.96, 2,981,298.42 and 1,242,586.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,426.96 : 2,981,298.42 = 1,242,586.80 : x
2. Step 2: Convert to fraction form
   2,160,426.96/2,981,298.42 = 1,242,586.80/x
3. Step 3: Cross multiply
   2,160,426.96x = 2,981,298.42 × 1,242,586.80
4. Step 4: Simplify right side
   2,160,426.96x = 3,704,522,063,552.86
5. Step 5: Solve for x
   x = 3,704,522,063,552.86/2,160,426.96
6. Step 6: Final answer
   x = 1,714,717.57