Finding the Fourth Proportional to 42,261.32, 58,321.68 and 23,399.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,261.32 : 58,321.68 = 23,399.12 : x
2. Step 2: Convert to fraction form
   42,261.32/58,321.68 = 23,399.12/x
3. Step 3: Cross multiply
   42,261.32x = 58,321.68 × 23,399.12
4. Step 4: Simplify right side
   42,261.32x = 1,364,675,988.92
5. Step 5: Solve for x
   x = 1,364,675,988.92/42,261.32
6. Step 6: Final answer
   x = 32,291.37