Finding the Fourth Proportional to 105,343.72, 157,992.18 and 30,447.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,343.72 : 157,992.18 = 30,447.52 : x
2. Step 2: Convert to fraction form
   105,343.72/157,992.18 = 30,447.52/x
3. Step 3: Cross multiply
   105,343.72x = 157,992.18 × 30,447.52
4. Step 4: Simplify right side
   105,343.72x = 4,810,470,060.39
5. Step 5: Solve for x
   x = 4,810,470,060.39/105,343.72
6. Step 6: Final answer
   x = 45,664.52