Finding the Fourth Proportional to 1,987,488.16, 2,742,734.16 and 1,116,324.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,987,488.16 : 2,742,734.16 = 1,116,324.16 : x
2. Step 2: Convert to fraction form
   1,987,488.16/2,742,734.16 = 1,116,324.16/x
3. Step 3: Cross multiply
   1,987,488.16x = 2,742,734.16 × 1,116,324.16
4. Step 4: Simplify right side
   1,987,488.16x = 3,061,780,407,265.31
5. Step 5: Solve for x
   x = 3,061,780,407,265.31/1,987,488.16
6. Step 6: Final answer
   x = 1,540,527.62