Finding the Fourth Proportional to 42,825.11, 64,256.09 and 23,080.55

Step by Step Solution

1. Step 1: Write the proportion equation
   42,825.11 : 64,256.09 = 23,080.55 : x
2. Step 2: Convert to fraction form
   42,825.11/64,256.09 = 23,080.55/x
3. Step 3: Cross multiply
   42,825.11x = 64,256.09 × 23,080.55
4. Step 4: Simplify right side
   42,825.11x = 1,483,065,461.37
5. Step 5: Solve for x
   x = 1,483,065,461.37/42,825.11
6. Step 6: Final answer
   x = 34,630.75