Finding the Fourth Proportional to 42,031.28, 58,002.06 and 23,168.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,031.28 : 58,002.06 = 23,168.48 : x
2. Step 2: Convert to fraction form
   42,031.28/58,002.06 = 23,168.48/x
3. Step 3: Cross multiply
   42,031.28x = 58,002.06 × 23,168.48
4. Step 4: Simplify right side
   42,031.28x = 1,343,819,567.07
5. Step 5: Solve for x
   x = 1,343,819,567.07/42,031.28
6. Step 6: Final answer
   x = 31,971.89