Finding the Fourth Proportional to 42,445.50, 58,581.27 and 25,688.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,445.50 : 58,581.27 = 25,688.22 : x
2. Step 2: Convert to fraction form
   42,445.50/58,581.27 = 25,688.22/x
3. Step 3: Cross multiply
   42,445.50x = 58,581.27 × 25,688.22
4. Step 4: Simplify right side
   42,445.50x = 1,504,848,551.64
5. Step 5: Solve for x
   x = 1,504,848,551.64/42,445.50
6. Step 6: Final answer
   x = 35,453.67