Finding the Fourth Proportional to 112,375.56, 155,082.98 and 64,628.94

Step by Step Solution

1. Step 1: Write the proportion equation
   112,375.56 : 155,082.98 = 64,628.94 : x
2. Step 2: Convert to fraction form
   112,375.56/155,082.98 = 64,628.94/x
3. Step 3: Cross multiply
   112,375.56x = 155,082.98 × 64,628.94
4. Step 4: Simplify right side
   112,375.56x = 10,022,848,609.44
5. Step 5: Solve for x
   x = 10,022,848,609.44/112,375.56
6. Step 6: Final answer
   x = 89,190.64