Finding the Fourth Proportional to 42,048.99, 58,028.04 and 23,186.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,048.99 : 58,028.04 = 23,186.79 : x
2. Step 2: Convert to fraction form
   42,048.99/58,028.04 = 23,186.79/x
3. Step 3: Cross multiply
   42,048.99x = 58,028.04 × 23,186.79
4. Step 4: Simplify right side
   42,048.99x = 1,345,483,977.59
5. Step 5: Solve for x
   x = 1,345,483,977.59/42,048.99
6. Step 6: Final answer
   x = 31,998.01