Finding the Fourth Proportional to 72,559.95, 108,881.94 and 30,436.29

Step by Step Solution

1. Step 1: Write the proportion equation
   72,559.95 : 108,881.94 = 30,436.29 : x
2. Step 2: Convert to fraction form
   72,559.95/108,881.94 = 30,436.29/x
3. Step 3: Cross multiply
   72,559.95x = 108,881.94 × 30,436.29
4. Step 4: Simplify right side
   72,559.95x = 3,313,962,301.60
5. Step 5: Solve for x
   x = 3,313,962,301.60/72,559.95
6. Step 6: Final answer
   x = 45,672.06