Finding the Fourth Proportional to 680,964.72, 1,021,435.56 and 175,524.72

Step by Step Solution

1. Step 1: Write the proportion equation
   680,964.72 : 1,021,435.56 = 175,524.72 : x
2. Step 2: Convert to fraction form
   680,964.72/1,021,435.56 = 175,524.72/x
3. Step 3: Cross multiply
   680,964.72x = 1,021,435.56 × 175,524.72
4. Step 4: Simplify right side
   680,964.72x = 179,287,190,667.04
5. Step 5: Solve for x
   x = 179,287,190,667.04/680,964.72
6. Step 6: Final answer
   x = 263,284.11