Finding the Fourth Proportional to 104,754.71, 157,007.06 and 72,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   104,754.71 : 157,007.06 = 72,992.72 : x
2. Step 2: Convert to fraction form
   104,754.71/157,007.06 = 72,992.72/x
3. Step 3: Cross multiply
   104,754.71x = 157,007.06 × 72,992.72
4. Step 4: Simplify right side
   104,754.71x = 11,460,372,669.88
5. Step 5: Solve for x
   x = 11,460,372,669.88/104,754.71
6. Step 6: Final answer
   x = 109,401.98