Finding the Fourth Proportional to 89,875.53, 134,813.34 and 30,711.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,875.53 : 134,813.34 = 30,711.78 : x
2. Step 2: Convert to fraction form
   89,875.53/134,813.34 = 30,711.78/x
3. Step 3: Cross multiply
   89,875.53x = 134,813.34 × 30,711.78
4. Step 4: Simplify right side
   89,875.53x = 4,140,357,639.15
5. Step 5: Solve for x
   x = 4,140,357,639.15/89,875.53
6. Step 6: Final answer
   x = 46,067.69