Finding the Fourth Proportional to 42,780.96, 59,019.84 and 33,333.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,780.96 : 59,019.84 = 33,333.12 : x
2. Step 2: Convert to fraction form
   42,780.96/59,019.84 = 33,333.12/x
3. Step 3: Cross multiply
   42,780.96x = 59,019.84 × 33,333.12
4. Step 4: Simplify right side
   42,780.96x = 1,967,315,409.10
5. Step 5: Solve for x
   x = 1,967,315,409.10/42,780.96
6. Step 6: Final answer
   x = 45,985.77