Finding the Fourth Proportional to 42,150.81, 58,167.45 and 23,030.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,150.81 : 58,167.45 = 23,030.18 : x
2. Step 2: Convert to fraction form
   42,150.81/58,167.45 = 23,030.18/x
3. Step 3: Cross multiply
   42,150.81x = 58,167.45 × 23,030.18
4. Step 4: Simplify right side
   42,150.81x = 1,339,606,552.80
5. Step 5: Solve for x
   x = 1,339,606,552.80/42,150.81
6. Step 6: Final answer
   x = 31,781.28