Finding the Fourth Proportional to 42,365.31, 58,458.09 and 25,365.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,365.31 : 58,458.09 = 25,365.51 : x
2. Step 2: Convert to fraction form
   42,365.31/58,458.09 = 25,365.51/x
3. Step 3: Cross multiply
   42,365.31x = 58,458.09 × 25,365.51
4. Step 4: Simplify right side
   42,365.31x = 1,482,819,266.48
5. Step 5: Solve for x
   x = 1,482,819,266.48/42,365.31
6. Step 6: Final answer
   x = 35,000.79