Finding the Fourth Proportional to 72,577, 108,787.74 and 30,446.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,577 : 108,787.74 = 30,446.47 : x
2. Step 2: Convert to fraction form
   72,577/108,787.74 = 30,446.47/x
3. Step 3: Cross multiply
   72,577x = 108,787.74 × 30,446.47
4. Step 4: Simplify right side
   72,577x = 3,312,202,662.28
5. Step 5: Solve for x
   x = 3,312,202,662.28/72,577
6. Step 6: Final answer
   x = 45,637.08