Finding the Fourth Proportional to 72,151.32, 108,168.63 and 30,063.08

Step by Step Solution

1. Step 1: Write the proportion equation
   72,151.32 : 108,168.63 = 30,063.08 : x
2. Step 2: Convert to fraction form
   72,151.32/108,168.63 = 30,063.08/x
3. Step 3: Cross multiply
   72,151.32x = 108,168.63 × 30,063.08
4. Step 4: Simplify right side
   72,151.32x = 3,251,882,334.87
5. Step 5: Solve for x
   x = 3,251,882,334.87/72,151.32
6. Step 6: Final answer
   x = 45,070.31