Finding the Fourth Proportional to 1,689,443.58, 2,534,138.52 and 410,061.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,443.58 : 2,534,138.52 = 410,061.65 : x
2. Step 2: Convert to fraction form
   1,689,443.58/2,534,138.52 = 410,061.65/x
3. Step 3: Cross multiply
   1,689,443.58x = 2,534,138.52 × 410,061.65
4. Step 4: Simplify right side
   1,689,443.58x = 1,039,153,010,169.07
5. Step 5: Solve for x
   x = 1,039,153,010,169.07/1,689,443.58
6. Step 6: Final answer
   x = 615,085.95