Finding the Fourth Proportional to 476,061.30, 656,964.54 and 272,116.58

Step by Step Solution

1. Step 1: Write the proportion equation
   476,061.30 : 656,964.54 = 272,116.58 : x
2. Step 2: Convert to fraction form
   476,061.30/656,964.54 = 272,116.58/x
3. Step 3: Cross multiply
   476,061.30x = 656,964.54 × 272,116.58
4. Step 4: Simplify right side
   476,061.30x = 178,770,943,806.07
5. Step 5: Solve for x
   x = 178,770,943,806.07/476,061.30
6. Step 6: Final answer
   x = 375,520.85