Finding the Fourth Proportional to 123,981.44, 171,081.60 and 73,670.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,981.44 : 171,081.60 = 73,670.72 : x
2. Step 2: Convert to fraction form
   123,981.44/171,081.60 = 73,670.72/x
3. Step 3: Cross multiply
   123,981.44x = 171,081.60 × 73,670.72
4. Step 4: Simplify right side
   123,981.44x = 12,603,704,650.75
5. Step 5: Solve for x
   x = 12,603,704,650.75/123,981.44
6. Step 6: Final answer
   x = 101,658.00