Finding the Fourth Proportional to 72,737.34, 109,057.68 and 28,368.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,737.34 : 109,057.68 = 28,368.24 : x
2. Step 2: Convert to fraction form
   72,737.34/109,057.68 = 28,368.24/x
3. Step 3: Cross multiply
   72,737.34x = 109,057.68 × 28,368.24
4. Step 4: Simplify right side
   72,737.34x = 3,093,774,440.08
5. Step 5: Solve for x
   x = 3,093,774,440.08/72,737.34
6. Step 6: Final answer
   x = 42,533.51