Finding the Fourth Proportional to 2,077,255.31, 3,121,362.78 and 1,118,419.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077,255.31 : 3,121,362.78 = 1,118,419.84 : x
2. Step 2: Convert to fraction form
   2,077,255.31/3,121,362.78 = 1,118,419.84/x
3. Step 3: Cross multiply
   2,077,255.31x = 3,121,362.78 × 1,118,419.84
4. Step 4: Simplify right side
   2,077,255.31x = 3,490,994,045,382.74
5. Step 5: Solve for x
   x = 3,490,994,045,382.74/2,077,255.31
6. Step 6: Final answer
   x = 1,680,580.15