Finding the Fourth Proportional to 72,429.61, 99,915.72 and 43,733.44

Step by Step Solution

1. Step 1: Write the proportion equation
   72,429.61 : 99,915.72 = 43,733.44 : x
2. Step 2: Convert to fraction form
   72,429.61/99,915.72 = 43,733.44/x
3. Step 3: Cross multiply
   72,429.61x = 99,915.72 × 43,733.44
4. Step 4: Simplify right side
   72,429.61x = 4,369,658,145.68
5. Step 5: Solve for x
   x = 4,369,658,145.68/72,429.61
6. Step 6: Final answer
   x = 60,329.72