Finding the Fourth Proportional to 42,446.56, 58,554.32 and 25,437.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,446.56 : 58,554.32 = 25,437.28 : x
2. Step 2: Convert to fraction form
   42,446.56/58,554.32 = 25,437.28/x
3. Step 3: Cross multiply
   42,446.56x = 58,554.32 × 25,437.28
4. Step 4: Simplify right side
   42,446.56x = 1,489,462,633.05
5. Step 5: Solve for x
   x = 1,489,462,633.05/42,446.56
6. Step 6: Final answer
   x = 35,090.30