Finding the Fourth Proportional to 72,599.09, 108,856.22 and 28,173.93

Step by Step Solution

1. Step 1: Write the proportion equation
   72,599.09 : 108,856.22 = 28,173.93 : x
2. Step 2: Convert to fraction form
   72,599.09/108,856.22 = 28,173.93/x
3. Step 3: Cross multiply
   72,599.09x = 108,856.22 × 28,173.93
4. Step 4: Simplify right side
   72,599.09x = 3,066,907,381.47
5. Step 5: Solve for x
   x = 3,066,907,381.47/72,599.09
6. Step 6: Final answer
   x = 42,244.44