Finding the Fourth Proportional to 89,731.84, 134,599.92 and 42,933.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,731.84 : 134,599.92 = 42,933.28 : x
2. Step 2: Convert to fraction form
   89,731.84/134,599.92 = 42,933.28/x
3. Step 3: Cross multiply
   89,731.84x = 134,599.92 × 42,933.28
4. Step 4: Simplify right side
   89,731.84x = 5,778,816,053.34
5. Step 5: Solve for x
   x = 5,778,816,053.34/89,731.84
6. Step 6: Final answer
   x = 64,400.95