Finding the Fourth Proportional to 72,355.56, 108,564.12 and 28,013.46

Step by Step Solution

1. Step 1: Write the proportion equation
   72,355.56 : 108,564.12 = 28,013.46 : x
2. Step 2: Convert to fraction form
   72,355.56/108,564.12 = 28,013.46/x
3. Step 3: Cross multiply
   72,355.56x = 108,564.12 × 28,013.46
4. Step 4: Simplify right side
   72,355.56x = 3,041,256,633.06
5. Step 5: Solve for x
   x = 3,041,256,633.06/72,355.56
6. Step 6: Final answer
   x = 42,032.11