Finding the Fourth Proportional to 42,200.15, 58,226.72 and 25,201.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,200.15 : 58,226.72 = 25,201.31 : x
2. Step 2: Convert to fraction form
   42,200.15/58,226.72 = 25,201.31/x
3. Step 3: Cross multiply
   42,200.15x = 58,226.72 × 25,201.31
4. Step 4: Simplify right side
   42,200.15x = 1,467,389,203.86
5. Step 5: Solve for x
   x = 1,467,389,203.86/42,200.15
6. Step 6: Final answer
   x = 34,772.14