Finding the Fourth Proportional to 89,494.59, 134,158.05 and 30,288.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,494.59 : 134,158.05 = 30,288.81 : x
2. Step 2: Convert to fraction form
   89,494.59/134,158.05 = 30,288.81/x
3. Step 3: Cross multiply
   89,494.59x = 134,158.05 × 30,288.81
4. Step 4: Simplify right side
   89,494.59x = 4,063,487,686.42
5. Step 5: Solve for x
   x = 4,063,487,686.42/89,494.59
6. Step 6: Final answer
   x = 45,404.84