Finding the Fourth Proportional to 1,115,992.02, 1,540,003.59 and 606,689.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,115,992.02 : 1,540,003.59 = 606,689.94 : x
2. Step 2: Convert to fraction form
   1,115,992.02/1,540,003.59 = 606,689.94/x
3. Step 3: Cross multiply
   1,115,992.02x = 1,540,003.59 × 606,689.94
4. Step 4: Simplify right side
   1,115,992.02x = 934,304,685,616.89
5. Step 5: Solve for x
   x = 934,304,685,616.89/1,115,992.02
6. Step 6: Final answer
   x = 837,196.56