Finding the Fourth Proportional to 42,955.50, 59,304.51 and 28,077.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,955.50 : 59,304.51 = 28,077.42 : x
2. Step 2: Convert to fraction form
   42,955.50/59,304.51 = 28,077.42/x
3. Step 3: Cross multiply
   42,955.50x = 59,304.51 × 28,077.42
4. Step 4: Simplify right side
   42,955.50x = 1,665,117,635.16
5. Step 5: Solve for x
   x = 1,665,117,635.16/42,955.50
6. Step 6: Final answer
   x = 38,763.78