Finding the Fourth Proportional to 42,810.30, 59,101.97 and 25,818.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,810.30 : 59,101.97 = 25,818.86 : x
2. Step 2: Convert to fraction form
   42,810.30/59,101.97 = 25,818.86/x
3. Step 3: Cross multiply
   42,810.30x = 59,101.97 × 25,818.86
4. Step 4: Simplify right side
   42,810.30x = 1,525,945,507.81
5. Step 5: Solve for x
   x = 1,525,945,507.81/42,810.30
6. Step 6: Final answer
   x = 35,644.36