Finding the Fourth Proportional to 72,093.67, 99,477.17 and 40,262.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,093.67 : 99,477.17 = 40,262.69 : x
2. Step 2: Convert to fraction form
   72,093.67/99,477.17 = 40,262.69/x
3. Step 3: Cross multiply
   72,093.67x = 99,477.17 × 40,262.69
4. Step 4: Simplify right side
   72,093.67x = 4,005,218,256.47
5. Step 5: Solve for x
   x = 4,005,218,256.47/72,093.67
6. Step 6: Final answer
   x = 55,555.76