Finding the Fourth Proportional to 42,543.54, 58,689.90 and 33,047.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,543.54 : 58,689.90 = 33,047.10 : x
2. Step 2: Convert to fraction form
   42,543.54/58,689.90 = 33,047.10/x
3. Step 3: Cross multiply
   42,543.54x = 58,689.90 × 33,047.10
4. Step 4: Simplify right side
   42,543.54x = 1,939,530,994.29
5. Step 5: Solve for x
   x = 1,939,530,994.29/42,543.54
6. Step 6: Final answer
   x = 45,589.32