Finding the Fourth Proportional to 555,086.72, 832,632.24 and 134,361.92

Step by Step Solution

1. Step 1: Write the proportion equation
   555,086.72 : 832,632.24 = 134,361.92 : x
2. Step 2: Convert to fraction form
   555,086.72/832,632.24 = 134,361.92/x
3. Step 3: Cross multiply
   555,086.72x = 832,632.24 × 134,361.92
4. Step 4: Simplify right side
   555,086.72x = 111,874,066,420.30
5. Step 5: Solve for x
   x = 111,874,066,420.30/555,086.72
6. Step 6: Final answer
   x = 201,543.40