Finding the Fourth Proportional to 42,156.80, 58,176.53 and 23,036.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,156.80 : 58,176.53 = 23,036.57 : x
2. Step 2: Convert to fraction form
   42,156.80/58,176.53 = 23,036.57/x
3. Step 3: Cross multiply
   42,156.80x = 58,176.53 × 23,036.57
4. Step 4: Simplify right side
   42,156.80x = 1,340,187,705.70
5. Step 5: Solve for x
   x = 1,340,187,705.70/42,156.80
6. Step 6: Final answer
   x = 31,790.55