Finding the Fourth Proportional to 85,016.79, 127,536.99 and 37,628.13

Step by Step Solution

1. Step 1: Write the proportion equation
   85,016.79 : 127,536.99 = 37,628.13 : x
2. Step 2: Convert to fraction form
   85,016.79/127,536.99 = 37,628.13/x
3. Step 3: Cross multiply
   85,016.79x = 127,536.99 × 37,628.13
4. Step 4: Simplify right side
   85,016.79x = 4,798,978,439.53
5. Step 5: Solve for x
   x = 4,798,978,439.53/85,016.79
6. Step 6: Final answer
   x = 56,447.42