Finding the Fourth Proportional to 2,116,309.98, 2,920,516.14 and 1,149,456.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,309.98 : 2,920,516.14 = 1,149,456.42 : x
2. Step 2: Convert to fraction form
   2,116,309.98/2,920,516.14 = 1,149,456.42/x
3. Step 3: Cross multiply
   2,116,309.98x = 2,920,516.14 × 1,149,456.42
4. Step 4: Simplify right side
   2,116,309.98x = 3,357,006,026,836.62
5. Step 5: Solve for x
   x = 3,357,006,026,836.62/2,116,309.98
6. Step 6: Final answer
   x = 1,586,254.40