Finding the Fourth Proportional to 1,116,940.64, 1,682,863.35 and 1,010,443.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,940.64 : 1,682,863.35 = 1,010,443.31 : x
2. Step 2: Convert to fraction form
   1,116,940.64/1,682,863.35 = 1,010,443.31/x
3. Step 3: Cross multiply
   1,116,940.64x = 1,682,863.35 × 1,010,443.31
4. Step 4: Simplify right side
   1,116,940.64x = 1,700,438,005,237.37
5. Step 5: Solve for x
   x = 1,700,438,005,237.37/1,116,940.64
6. Step 6: Final answer
   x = 1,522,406.79