Finding the Fourth Proportional to 42,810.27, 59,041.90 and 25,810.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,810.27 : 59,041.90 = 25,810.78 : x
2. Step 2: Convert to fraction form
   42,810.27/59,041.90 = 25,810.78/x
3. Step 3: Cross multiply
   42,810.27x = 59,041.90 × 25,810.78
4. Step 4: Simplify right side
   42,810.27x = 1,523,917,491.68
5. Step 5: Solve for x
   x = 1,523,917,491.68/42,810.27
6. Step 6: Final answer
   x = 35,597.01