Finding the Fourth Proportional to 42,482.72, 58,621.30 and 33,981.77

Step by Step Solution

1. Step 1: Write the proportion equation
   42,482.72 : 58,621.30 = 33,981.77 : x
2. Step 2: Convert to fraction form
   42,482.72/58,621.30 = 33,981.77/x
3. Step 3: Cross multiply
   42,482.72x = 58,621.30 × 33,981.77
4. Step 4: Simplify right side
   42,482.72x = 1,992,055,595.30
5. Step 5: Solve for x
   x = 1,992,055,595.30/42,482.72
6. Step 6: Final answer
   x = 46,890.96