Finding the Fourth Proportional to 72,742.05, 109,145.88 and 32,770.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,742.05 : 109,145.88 = 32,770.98 : x
2. Step 2: Convert to fraction form
   72,742.05/109,145.88 = 32,770.98/x
3. Step 3: Cross multiply
   72,742.05x = 109,145.88 × 32,770.98
4. Step 4: Simplify right side
   72,742.05x = 3,576,817,450.56
5. Step 5: Solve for x
   x = 3,576,817,450.56/72,742.05
6. Step 6: Final answer
   x = 49,171.25