Finding the Fourth Proportional to 986,080.72, 1,479,117.84 and 238,126.72

Step by Step Solution

1. Step 1: Write the proportion equation
   986,080.72 : 1,479,117.84 = 238,126.72 : x
2. Step 2: Convert to fraction form
   986,080.72/1,479,117.84 = 238,126.72/x
3. Step 3: Cross multiply
   986,080.72x = 1,479,117.84 × 238,126.72
4. Step 4: Simplify right side
   986,080.72x = 352,217,479,732.69
5. Step 5: Solve for x
   x = 352,217,479,732.69/986,080.72
6. Step 6: Final answer
   x = 357,189.30