Finding the Fourth Proportional to 42,780.49, 59,036.04 and 23,659.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,780.49 : 59,036.04 = 23,659.76 : x
2. Step 2: Convert to fraction form
   42,780.49/59,036.04 = 23,659.76/x
3. Step 3: Cross multiply
   42,780.49x = 59,036.04 × 23,659.76
4. Step 4: Simplify right side
   42,780.49x = 1,396,778,685.34
5. Step 5: Solve for x
   x = 1,396,778,685.34/42,780.49
6. Step 6: Final answer
   x = 32,649.90