Finding the Fourth Proportional to 2,229,327.79, 3,076,490.42 and 1,210,739.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229,327.79 : 3,076,490.42 = 1,210,739.83 : x
2. Step 2: Convert to fraction form
   2,229,327.79/3,076,490.42 = 1,210,739.83/x
3. Step 3: Cross multiply
   2,229,327.79x = 3,076,490.42 × 1,210,739.83
4. Step 4: Simplify right side
   2,229,327.79x = 3,724,829,488,107.43
5. Step 5: Solve for x
   x = 3,724,829,488,107.43/2,229,327.79
6. Step 6: Final answer
   x = 1,670,830.78