Finding the Fourth Proportional to 123,595.56, 170,643.78 and 73,310.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123,595.56 : 170,643.78 = 73,310.76 : x
2. Step 2: Convert to fraction form
   123,595.56/170,643.78 = 73,310.76/x
3. Step 3: Cross multiply
   123,595.56x = 170,643.78 × 73,310.76
4. Step 4: Simplify right side
   123,595.56x = 12,510,025,201.07
5. Step 5: Solve for x
   x = 12,510,025,201.07/123,595.56
6. Step 6: Final answer
   x = 101,217.43