Finding the Fourth Proportional to 72,900.72, 109,103.06 and 44,805.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72,900.72 : 109,103.06 = 44,805.96 : x
2. Step 2: Convert to fraction form
   72,900.72/109,103.06 = 44,805.96/x
3. Step 3: Cross multiply
   72,900.72x = 109,103.06 × 44,805.96
4. Step 4: Simplify right side
   72,900.72x = 4,888,467,342.24
5. Step 5: Solve for x
   x = 4,888,467,342.24/72,900.72
6. Step 6: Final answer
   x = 67,056.50