Finding the Fourth Proportional to 72,669.56, 109,035.32 and 28,327.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,669.56 : 109,035.32 = 28,327.52 : x
2. Step 2: Convert to fraction form
   72,669.56/109,035.32 = 28,327.52/x
3. Step 3: Cross multiply
   72,669.56x = 109,035.32 × 28,327.52
4. Step 4: Simplify right side
   72,669.56x = 3,088,700,338.96
5. Step 5: Solve for x
   x = 3,088,700,338.96/72,669.56
6. Step 6: Final answer
   x = 42,503.36