Finding the Fourth Proportional to 1,293,300.43, 1,936,638.32 and 1,079,536.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293,300.43 : 1,936,638.32 = 1,079,536.88 : x
2. Step 2: Convert to fraction form
   1,293,300.43/1,936,638.32 = 1,079,536.88/x
3. Step 3: Cross multiply
   1,293,300.43x = 1,936,638.32 × 1,079,536.88
4. Step 4: Simplify right side
   1,293,300.43x = 2,090,672,489,105.15
5. Step 5: Solve for x
   x = 2,090,672,489,105.15/1,293,300.43
6. Step 6: Final answer
   x = 1,616,540.48