Finding the Fourth Proportional to 2,116,387.98, 2,920,636.85 and 1,149,537.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,387.98 : 2,920,636.85 = 1,149,537.15 : x
2. Step 2: Convert to fraction form
   2,116,387.98/2,920,636.85 = 1,149,537.15/x
3. Step 3: Cross multiply
   2,116,387.98x = 2,920,636.85 × 1,149,537.15
4. Step 4: Simplify right side
   2,116,387.98x = 3,357,380,554,986.29
5. Step 5: Solve for x
   x = 3,357,380,554,986.29/2,116,387.98
6. Step 6: Final answer
   x = 1,586,372.91