Finding the Fourth Proportional to 30,846.80, 42,495.62 and 25,433.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,846.80 : 42,495.62 = 25,433.98 : x
2. Step 2: Convert to fraction form
   30,846.80/42,495.62 = 25,433.98/x
3. Step 3: Cross multiply
   30,846.80x = 42,495.62 × 25,433.98
4. Step 4: Simplify right side
   30,846.80x = 1,080,832,749.17
5. Step 5: Solve for x
   x = 1,080,832,749.17/30,846.80
6. Step 6: Final answer
   x = 35,038.73