Finding the Fourth Proportional to 2,076,705.31, 2,865,836.65 and 1,205,620.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076,705.31 : 2,865,836.65 = 1,205,620.83 : x
2. Step 2: Convert to fraction form
   2,076,705.31/2,865,836.65 = 1,205,620.83/x
3. Step 3: Cross multiply
   2,076,705.31x = 2,865,836.65 × 1,205,620.83
4. Step 4: Simplify right side
   2,076,705.31x = 3,455,112,360,617.42
5. Step 5: Solve for x
   x = 3,455,112,360,617.42/2,076,705.31
6. Step 6: Final answer
   x = 1,663,747.06