Finding the Fourth Proportional to 2,112,384.69, 2,915,091.54 and 1,145,514.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,384.69 : 2,915,091.54 = 1,145,514.69 : x
2. Step 2: Convert to fraction form
   2,112,384.69/2,915,091.54 = 1,145,514.69/x
3. Step 3: Cross multiply
   2,112,384.69x = 2,915,091.54 × 1,145,514.69
4. Step 4: Simplify right side
   2,112,384.69x = 3,339,280,181,764.72
5. Step 5: Solve for x
   x = 3,339,280,181,764.72/2,112,384.69
6. Step 6: Final answer
   x = 1,580,810.63