Finding the Fourth Proportional to 72,705.96, 109,105.02 and 37,645.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,705.96 : 109,105.02 = 37,645.56 : x
2. Step 2: Convert to fraction form
   72,705.96/109,105.02 = 37,645.56/x
3. Step 3: Cross multiply
   72,705.96x = 109,105.02 × 37,645.56
4. Step 4: Simplify right side
   72,705.96x = 4,107,319,576.71
5. Step 5: Solve for x
   x = 4,107,319,576.71/72,705.96
6. Step 6: Final answer
   x = 56,492.20