Finding the Fourth Proportional to 986,077.72, 1,479,113.34 and 238,123.72

Step by Step Solution

1. Step 1: Write the proportion equation
   986,077.72 : 1,479,113.34 = 238,123.72 : x
2. Step 2: Convert to fraction form
   986,077.72/1,479,113.34 = 238,123.72/x
3. Step 3: Cross multiply
   986,077.72x = 1,479,113.34 × 238,123.72
4. Step 4: Simplify right side
   986,077.72x = 352,211,970,822.43
5. Step 5: Solve for x
   x = 352,211,970,822.43/986,077.72
6. Step 6: Final answer
   x = 357,184.80