Finding the Fourth Proportional to 89,194.56, 133,804.28 and 30,047.20

Step by Step Solution

1. Step 1: Write the proportion equation
   89,194.56 : 133,804.28 = 30,047.20 : x
2. Step 2: Convert to fraction form
   89,194.56/133,804.28 = 30,047.20/x
3. Step 3: Cross multiply
   89,194.56x = 133,804.28 × 30,047.20
4. Step 4: Simplify right side
   89,194.56x = 4,020,443,962.02
5. Step 5: Solve for x
   x = 4,020,443,962.02/89,194.56
6. Step 6: Final answer
   x = 45,074.99