Finding the Fourth Proportional to 42,731.13, 58,969.89 and 23,868.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,731.13 : 58,969.89 = 23,868.30 : x
2. Step 2: Convert to fraction form
   42,731.13/58,969.89 = 23,868.30/x
3. Step 3: Cross multiply
   42,731.13x = 58,969.89 × 23,868.30
4. Step 4: Simplify right side
   42,731.13x = 1,407,511,025.49
5. Step 5: Solve for x
   x = 1,407,511,025.49/42,731.13
6. Step 6: Final answer
   x = 32,938.77