Finding the Fourth Proportional to 2,145,925.86, 3,218,389.42 and 798,722.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,925.86 : 3,218,389.42 = 798,722.94 : x
2. Step 2: Convert to fraction form
   2,145,925.86/3,218,389.42 = 798,722.94/x
3. Step 3: Cross multiply
   2,145,925.86x = 3,218,389.42 × 798,722.94
4. Step 4: Simplify right side
   2,145,925.86x = 2,570,601,459,607.29
5. Step 5: Solve for x
   x = 2,570,601,459,607.29/2,145,925.86
6. Step 6: Final answer
   x = 1,197,898.54