Finding the Fourth Proportional to 1,295,667.34, 1,940,898.98 and 645,284.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,295,667.34 : 1,940,898.98 = 645,284.30 : x
2. Step 2: Convert to fraction form
   1,295,667.34/1,940,898.98 = 645,284.30/x
3. Step 3: Cross multiply
   1,295,667.34x = 1,940,898.98 × 645,284.30
4. Step 4: Simplify right side
   1,295,667.34x = 1,252,431,631,588.73
5. Step 5: Solve for x
   x = 1,252,431,631,588.73/1,295,667.34
6. Step 6: Final answer
   x = 966,630.55