Finding the Fourth Proportional to 72,352.69, 99,846.63 and 40,521.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,352.69 : 99,846.63 = 40,521.82 : x
2. Step 2: Convert to fraction form
   72,352.69/99,846.63 = 40,521.82/x
3. Step 3: Cross multiply
   72,352.69x = 99,846.63 × 40,521.82
4. Step 4: Simplify right side
   72,352.69x = 4,045,967,168.47
5. Step 5: Solve for x
   x = 4,045,967,168.47/72,352.69
6. Step 6: Final answer
   x = 55,920.07