Finding the Fourth Proportional to 42,436.27, 63,537.36 and 28,376.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,436.27 : 63,537.36 = 28,376.83 : x
2. Step 2: Convert to fraction form
   42,436.27/63,537.36 = 28,376.83/x
3. Step 3: Cross multiply
   42,436.27x = 63,537.36 × 28,376.83
4. Step 4: Simplify right side
   42,436.27x = 1,802,988,863.37
5. Step 5: Solve for x
   x = 1,802,988,863.37/42,436.27
6. Step 6: Final answer
   x = 42,486.98