Finding the Fourth Proportional to 72,861.96, 109,313.82 and 26,118.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,861.96 : 109,313.82 = 26,118.12 : x
2. Step 2: Convert to fraction form
   72,861.96/109,313.82 = 26,118.12/x
3. Step 3: Cross multiply
   72,861.96x = 109,313.82 × 26,118.12
4. Step 4: Simplify right side
   72,861.96x = 2,855,071,468.42
5. Step 5: Solve for x
   x = 2,855,071,468.42/72,861.96
6. Step 6: Final answer
   x = 39,184.66