Finding the Fourth Proportional to 72,362.59, 108,548.15 and 27,989.57

Step by Step Solution

1. Step 1: Write the proportion equation
   72,362.59 : 108,548.15 = 27,989.57 : x
2. Step 2: Convert to fraction form
   72,362.59/108,548.15 = 27,989.57/x
3. Step 3: Cross multiply
   72,362.59x = 108,548.15 × 27,989.57
4. Step 4: Simplify right side
   72,362.59x = 3,038,216,174.22
5. Step 5: Solve for x
   x = 3,038,216,174.22/72,362.59
6. Step 6: Final answer
   x = 41,986.01