Finding the Fourth Proportional to 72,538.99, 108,742.83 and 25,780.93

Step by Step Solution

1. Step 1: Write the proportion equation
   72,538.99 : 108,742.83 = 25,780.93 : x
2. Step 2: Convert to fraction form
   72,538.99/108,742.83 = 25,780.93/x
3. Step 3: Cross multiply
   72,538.99x = 108,742.83 × 25,780.93
4. Step 4: Simplify right side
   72,538.99x = 2,803,491,288.23
5. Step 5: Solve for x
   x = 2,803,491,288.23/72,538.99
6. Step 6: Final answer
   x = 38,648.06