Finding the Fourth Proportional to 1,818,143.86, 2,509,056.06 and 1,002,379.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818,143.86 : 2,509,056.06 = 1,002,379.22 : x
2. Step 2: Convert to fraction form
   1,818,143.86/2,509,056.06 = 1,002,379.22/x
3. Step 3: Cross multiply
   1,818,143.86x = 2,509,056.06 × 1,002,379.22
4. Step 4: Simplify right side
   1,818,143.86x = 2,515,025,656,359.07
5. Step 5: Solve for x
   x = 2,515,025,656,359.07/1,818,143.86
6. Step 6: Final answer
   x = 1,383,292.99