Finding the Fourth Proportional to 1,692,899.69, 2,336,198.33 and 918,530.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692,899.69 : 2,336,198.33 = 918,530.31 : x
2. Step 2: Convert to fraction form
   1,692,899.69/2,336,198.33 = 918,530.31/x
3. Step 3: Cross multiply
   1,692,899.69x = 2,336,198.33 × 918,530.31
4. Step 4: Simplify right side
   1,692,899.69x = 2,145,868,978,572.71
5. Step 5: Solve for x
   x = 2,145,868,978,572.71/1,692,899.69
6. Step 6: Final answer
   x = 1,267,570.07