Finding the Fourth Proportional to 72,515.32, 108,778.22 and 30,353.00

Step by Step Solution

1. Step 1: Write the proportion equation
   72,515.32 : 108,778.22 = 30,353.00 : x
2. Step 2: Convert to fraction form
   72,515.32/108,778.22 = 30,353.00/x
3. Step 3: Cross multiply
   72,515.32x = 108,778.22 × 30,353.00
4. Step 4: Simplify right side
   72,515.32x = 3,301,744,900.56
5. Step 5: Solve for x
   x = 3,301,744,900.56/72,515.32
6. Step 6: Final answer
   x = 45,531.69