Finding the Fourth Proportional to 89,142.60, 133,665.30 and 29,947.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,142.60 : 133,665.30 = 29,947.80 : x
2. Step 2: Convert to fraction form
   89,142.60/133,665.30 = 29,947.80/x
3. Step 3: Cross multiply
   89,142.60x = 133,665.30 × 29,947.80
4. Step 4: Simplify right side
   89,142.60x = 4,002,981,671.34
5. Step 5: Solve for x
   x = 4,002,981,671.34/89,142.60
6. Step 6: Final answer
   x = 44,905.37