Finding the Fourth Proportional to 89,222.27, 133,779.94 and 28,406.26

Step by Step Solution

1. Step 1: Write the proportion equation
   89,222.27 : 133,779.94 = 28,406.26 : x
2. Step 2: Convert to fraction form
   89,222.27/133,779.94 = 28,406.26/x
3. Step 3: Cross multiply
   89,222.27x = 133,779.94 × 28,406.26
4. Step 4: Simplify right side
   89,222.27x = 3,800,186,947.49
5. Step 5: Solve for x
   x = 3,800,186,947.49/89,222.27
6. Step 6: Final answer
   x = 42,592.36