Finding the Fourth Proportional to 42,265.32, 58,323.54 and 23,145.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,265.32 : 58,323.54 = 23,145.32 : x
2. Step 2: Convert to fraction form
   42,265.32/58,323.54 = 23,145.32/x
3. Step 3: Cross multiply
   42,265.32x = 58,323.54 × 23,145.32
4. Step 4: Simplify right side
   42,265.32x = 1,349,916,996.83
5. Step 5: Solve for x
   x = 1,349,916,996.83/42,265.32
6. Step 6: Final answer
   x = 31,939.12