Finding the Fourth Proportional to 89,875.56, 134,813.36 and 30,711.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,875.56 : 134,813.36 = 30,711.72 : x
2. Step 2: Convert to fraction form
   89,875.56/134,813.36 = 30,711.72/x
3. Step 3: Cross multiply
   89,875.56x = 134,813.36 × 30,711.72
4. Step 4: Simplify right side
   89,875.56x = 4,140,350,164.58
5. Step 5: Solve for x
   x = 4,140,350,164.58/89,875.56
6. Step 6: Final answer
   x = 46,067.59