Finding the Fourth Proportional to 42,159.75, 58,180.02 and 23,039.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,159.75 : 58,180.02 = 23,039.31 : x
2. Step 2: Convert to fraction form
   42,159.75/58,180.02 = 23,039.31/x
3. Step 3: Cross multiply
   42,159.75x = 58,180.02 × 23,039.31
4. Step 4: Simplify right side
   42,159.75x = 1,340,427,516.59
5. Step 5: Solve for x
   x = 1,340,427,516.59/42,159.75
6. Step 6: Final answer
   x = 31,794.01