Finding the Fourth Proportional to 1,915,111.92, 2,642,722.34 and 1,077,028.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,111.92 : 2,642,722.34 = 1,077,028.81 : x
2. Step 2: Convert to fraction form
   1,915,111.92/2,642,722.34 = 1,077,028.81/x
3. Step 3: Cross multiply
   1,915,111.92x = 2,642,722.34 × 1,077,028.81
4. Step 4: Simplify right side
   1,915,111.92x = 2,846,288,097,010.62
5. Step 5: Solve for x
   x = 2,846,288,097,010.62/1,915,111.92
6. Step 6: Final answer
   x = 1,486,225.46