Finding the Fourth Proportional to 42,032.32, 58,007.30 and 23,171.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,032.32 : 58,007.30 = 23,171.20 : x
2. Step 2: Convert to fraction form
   42,032.32/58,007.30 = 23,171.20/x
3. Step 3: Cross multiply
   42,032.32x = 58,007.30 × 23,171.20
4. Step 4: Simplify right side
   42,032.32x = 1,344,098,749.76
5. Step 5: Solve for x
   x = 1,344,098,749.76/42,032.32
6. Step 6: Final answer
   x = 31,977.74