Finding the Fourth Proportional to 123,981.63, 171,034.52 and 73,644.99

Step by Step Solution

1. Step 1: Write the proportion equation
   123,981.63 : 171,034.52 = 73,644.99 : x
2. Step 2: Convert to fraction form
   123,981.63/171,034.52 = 73,644.99/x
3. Step 3: Cross multiply
   123,981.63x = 171,034.52 × 73,644.99
4. Step 4: Simplify right side
   123,981.63x = 12,595,835,146.83
5. Step 5: Solve for x
   x = 12,595,835,146.83/123,981.63
6. Step 6: Final answer
   x = 101,594.37