Finding the Fourth Proportional to 1,988,819.37, 2,744,498.16 and 1,215,744.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,988,819.37 : 2,744,498.16 = 1,215,744.96 : x
2. Step 2: Convert to fraction form
   1,988,819.37/2,744,498.16 = 1,215,744.96/x
3. Step 3: Cross multiply
   1,988,819.37x = 2,744,498.16 × 1,215,744.96
4. Step 4: Simplify right side
   1,988,819.37x = 3,336,609,805,749.27
5. Step 5: Solve for x
   x = 3,336,609,805,749.27/1,988,819.37
6. Step 6: Final answer
   x = 1,677,683.68