Finding the Fourth Proportional to 89,484.93, 134,143.92 and 30,279.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,484.93 : 134,143.92 = 30,279.42 : x
2. Step 2: Convert to fraction form
   89,484.93/134,143.92 = 30,279.42/x
3. Step 3: Cross multiply
   89,484.93x = 134,143.92 × 30,279.42
4. Step 4: Simplify right side
   89,484.93x = 4,061,800,094.13
5. Step 5: Solve for x
   x = 4,061,800,094.13/89,484.93
6. Step 6: Final answer
   x = 45,390.88