Finding the Fourth Proportional to 42,036.32, 62,996.88 and 40,774.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,036.32 : 62,996.88 = 40,774.88 : x
2. Step 2: Convert to fraction form
   42,036.32/62,996.88 = 40,774.88/x
3. Step 3: Cross multiply
   42,036.32x = 62,996.88 × 40,774.88
4. Step 4: Simplify right side
   42,036.32x = 2,568,690,222.37
5. Step 5: Solve for x
   x = 2,568,690,222.37/42,036.32
6. Step 6: Final answer
   x = 61,106.45