Finding the Fourth Proportional to 173,667.53, 260,493.47 and 72,423.89

Step by Step Solution

1. Step 1: Write the proportion equation
   173,667.53 : 260,493.47 = 72,423.89 : x
2. Step 2: Convert to fraction form
   173,667.53/260,493.47 = 72,423.89/x
3. Step 3: Cross multiply
   173,667.53x = 260,493.47 × 72,423.89
4. Step 4: Simplify right side
   173,667.53x = 18,865,951,873.51
5. Step 5: Solve for x
   x = 18,865,951,873.51/173,667.53
6. Step 6: Final answer
   x = 108,632.58