Finding the Fourth Proportional to 1,891,081.57, 2,609,491.33 and 1,064,140.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891,081.57 : 2,609,491.33 = 1,064,140.69 : x
2. Step 2: Convert to fraction form
   1,891,081.57/2,609,491.33 = 1,064,140.69/x
3. Step 3: Cross multiply
   1,891,081.57x = 2,609,491.33 × 1,064,140.69
4. Step 4: Simplify right side
   1,891,081.57x = 2,776,865,904,455.22
5. Step 5: Solve for x
   x = 2,776,865,904,455.22/1,891,081.57
6. Step 6: Final answer
   x = 1,468,400.91