Finding the Fourth Proportional to 72,522.07, 108,788.34 and 30,359.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,522.07 : 108,788.34 = 30,359.75 : x
2. Step 2: Convert to fraction form
   72,522.07/108,788.34 = 30,359.75/x
3. Step 3: Cross multiply
   72,522.07x = 108,788.34 × 30,359.75
4. Step 4: Simplify right side
   72,522.07x = 3,302,786,289.84
5. Step 5: Solve for x
   x = 3,302,786,289.84/72,522.07
6. Step 6: Final answer
   x = 45,541.81