Finding the Fourth Proportional to 123,973.60, 171,127.44 and 73,672

Step by Step Solution

1. Step 1: Write the proportion equation
   123,973.60 : 171,127.44 = 73,672 : x
2. Step 2: Convert to fraction form
   123,973.60/171,127.44 = 73,672/x
3. Step 3: Cross multiply
   123,973.60x = 171,127.44 × 73,672
4. Step 4: Simplify right side
   123,973.60x = 12,607,300,759.68
5. Step 5: Solve for x
   x = 12,607,300,759.68/123,973.60
6. Step 6: Final answer
   x = 101,693.43