Finding the Fourth Proportional to 42,436.06, 63,653.68 and 25,800.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,436.06 : 63,653.68 = 25,800.69 : x
2. Step 2: Convert to fraction form
   42,436.06/63,653.68 = 25,800.69/x
3. Step 3: Cross multiply
   42,436.06x = 63,653.68 × 25,800.69
4. Step 4: Simplify right side
   42,436.06x = 1,642,308,546.77
5. Step 5: Solve for x
   x = 1,642,308,546.77/42,436.06
6. Step 6: Final answer
   x = 38,700.78