Finding the Fourth Proportional to 227,019.42, 340,548.72 and 58,538.28

Step by Step Solution

1. Step 1: Write the proportion equation
   227,019.42 : 340,548.72 = 58,538.28 : x
2. Step 2: Convert to fraction form
   227,019.42/340,548.72 = 58,538.28/x
3. Step 3: Cross multiply
   227,019.42x = 340,548.72 × 58,538.28
4. Step 4: Simplify right side
   227,019.42x = 19,935,136,325.00
5. Step 5: Solve for x
   x = 19,935,136,325.00/227,019.42
6. Step 6: Final answer
   x = 87,812.47