Finding the Fourth Proportional to 89,501.78, 134,252.98 and 30,379.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,501.78 : 134,252.98 = 30,379.28 : x
2. Step 2: Convert to fraction form
   89,501.78/134,252.98 = 30,379.28/x
3. Step 3: Cross multiply
   89,501.78x = 134,252.98 × 30,379.28
4. Step 4: Simplify right side
   89,501.78x = 4,078,508,123.04
5. Step 5: Solve for x
   x = 4,078,508,123.04/89,501.78
6. Step 6: Final answer
   x = 45,569.02