Finding the Fourth Proportional to 1,609,667.37, 2,219,121.34 and 1,284,085.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609,667.37 : 2,219,121.34 = 1,284,085.43 : x
2. Step 2: Convert to fraction form
   1,609,667.37/2,219,121.34 = 1,284,085.43/x
3. Step 3: Cross multiply
   1,609,667.37x = 2,219,121.34 × 1,284,085.43
4. Step 4: Simplify right side
   1,609,667.37x = 2,849,541,382,433.67
5. Step 5: Solve for x
   x = 2,849,541,382,433.67/1,609,667.37
6. Step 6: Final answer
   x = 1,770,267.22