Finding the Fourth Proportional to 42,806.69, 64,220.99 and 25,052.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,806.69 : 64,220.99 = 25,052.30 : x
2. Step 2: Convert to fraction form
   42,806.69/64,220.99 = 25,052.30/x
3. Step 3: Cross multiply
   42,806.69x = 64,220.99 × 25,052.30
4. Step 4: Simplify right side
   42,806.69x = 1,608,883,061.41
5. Step 5: Solve for x
   x = 1,608,883,061.41/42,806.69
6. Step 6: Final answer
   x = 37,584.86