Finding the Fourth Proportional to 1,231,642.73, 1,700,466.72 and 1,102,357.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,642.73 : 1,700,466.72 = 1,102,357.31 : x
2. Step 2: Convert to fraction form
   1,231,642.73/1,700,466.72 = 1,102,357.31/x
3. Step 3: Cross multiply
   1,231,642.73x = 1,700,466.72 × 1,102,357.31
4. Step 4: Simplify right side
   1,231,642.73x = 1,874,521,923,454.89
5. Step 5: Solve for x
   x = 1,874,521,923,454.89/1,231,642.73
6. Step 6: Final answer
   x = 1,521,968.90