Finding the Fourth Proportional to 2,116,310.48, 2,920,516.82 and 1,149,456.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,310.48 : 2,920,516.82 = 1,149,456.91 : x
2. Step 2: Convert to fraction form
   2,116,310.48/2,920,516.82 = 1,149,456.91/x
3. Step 3: Cross multiply
   2,116,310.48x = 2,920,516.82 × 1,149,456.91
4. Step 4: Simplify right side
   2,116,310.48x = 3,357,008,239,520.23
5. Step 5: Solve for x
   x = 3,357,008,239,520.23/2,116,310.48
6. Step 6: Final answer
   x = 1,586,255.08