Finding the Fourth Proportional to 2,015,556.31, 2,781,467.75 and 1,110,138.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,556.31 : 2,781,467.75 = 1,110,138.31 : x
2. Step 2: Convert to fraction form
   2,015,556.31/2,781,467.75 = 1,110,138.31/x
3. Step 3: Cross multiply
   2,015,556.31x = 2,781,467.75 × 1,110,138.31
4. Step 4: Simplify right side
   2,015,556.31x = 3,087,813,907,304.50
5. Step 5: Solve for x
   x = 3,087,813,907,304.50/2,015,556.31
6. Step 6: Final answer
   x = 1,531,990.89