Finding the Fourth Proportional to 42,014.28, 57,979.35 and 23,151

Step by Step Solution

1. Step 1: Write the proportion equation
   42,014.28 : 57,979.35 = 23,151 : x
2. Step 2: Convert to fraction form
   42,014.28/57,979.35 = 23,151/x
3. Step 3: Cross multiply
   42,014.28x = 57,979.35 × 23,151
4. Step 4: Simplify right side
   42,014.28x = 1,342,279,931.85
5. Step 5: Solve for x
   x = 1,342,279,931.85/42,014.28
6. Step 6: Final answer
   x = 31,948.18