Finding the Fourth Proportional to 123,911.32, 171,012.19 and 73,610.32

Step by Step Solution

1. Step 1: Write the proportion equation
   123,911.32 : 171,012.19 = 73,610.32 : x
2. Step 2: Convert to fraction form
   123,911.32/171,012.19 = 73,610.32/x
3. Step 3: Cross multiply
   123,911.32x = 171,012.19 × 73,610.32
4. Step 4: Simplify right side
   123,911.32x = 12,588,261,174.74
5. Step 5: Solve for x
   x = 12,588,261,174.74/123,911.32
6. Step 6: Final answer
   x = 101,590.89