Finding the Fourth Proportional to 72,756.27, 109,145.34 and 26,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,756.27 : 109,145.34 = 26,005.50 : x
2. Step 2: Convert to fraction form
   72,756.27/109,145.34 = 26,005.50/x
3. Step 3: Cross multiply
   72,756.27x = 109,145.34 × 26,005.50
4. Step 4: Simplify right side
   72,756.27x = 2,838,379,139.37
5. Step 5: Solve for x
   x = 2,838,379,139.37/72,756.27
6. Step 6: Final answer
   x = 39,012.16