Finding the Fourth Proportional to 73,065, 100,830.42 and 39,531.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,065 : 100,830.42 = 39,531.72 : x
2. Step 2: Convert to fraction form
   73,065/100,830.42 = 39,531.72/x
3. Step 3: Cross multiply
   73,065x = 100,830.42 × 39,531.72
4. Step 4: Simplify right side
   73,065x = 3,985,999,930.92
5. Step 5: Solve for x
   x = 3,985,999,930.92/73,065
6. Step 6: Final answer
   x = 54,554.16