Finding the Fourth Proportional to 72,375.32, 108,554.34 and 30,834.20

Step by Step Solution

1. Step 1: Write the proportion equation
   72,375.32 : 108,554.34 = 30,834.20 : x
2. Step 2: Convert to fraction form
   72,375.32/108,554.34 = 30,834.20/x
3. Step 3: Cross multiply
   72,375.32x = 108,554.34 × 30,834.20
4. Step 4: Simplify right side
   72,375.32x = 3,347,186,230.43
5. Step 5: Solve for x
   x = 3,347,186,230.43/72,375.32
6. Step 6: Final answer
   x = 46,247.62