Finding the Fourth Proportional to 42,140.41, 58,153.15 and 23,019.95

Step by Step Solution

1. Step 1: Write the proportion equation
   42,140.41 : 58,153.15 = 23,019.95 : x
2. Step 2: Convert to fraction form
   42,140.41/58,153.15 = 23,019.95/x
3. Step 3: Cross multiply
   42,140.41x = 58,153.15 × 23,019.95
4. Step 4: Simplify right side
   42,140.41x = 1,338,682,605.34
5. Step 5: Solve for x
   x = 1,338,682,605.34/42,140.41
6. Step 6: Final answer
   x = 31,767.19