Finding the Fourth Proportional to 89,406.53, 134,026.41 and 30,200.79

Step by Step Solution

1. Step 1: Write the proportion equation
   89,406.53 : 134,026.41 = 30,200.79 : x
2. Step 2: Convert to fraction form
   89,406.53/134,026.41 = 30,200.79/x
3. Step 3: Cross multiply
   89,406.53x = 134,026.41 × 30,200.79
4. Step 4: Simplify right side
   89,406.53x = 4,047,703,462.86
5. Step 5: Solve for x
   x = 4,047,703,462.86/89,406.53
6. Step 6: Final answer
   x = 45,273.02