Finding the Fourth Proportional to 42,156.18, 58,095.63 and 30,198.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,156.18 : 58,095.63 = 30,198.96 : x
2. Step 2: Convert to fraction form
   42,156.18/58,095.63 = 30,198.96/x
3. Step 3: Cross multiply
   42,156.18x = 58,095.63 × 30,198.96
4. Step 4: Simplify right side
   42,156.18x = 1,754,427,606.54
5. Step 5: Solve for x
   x = 1,754,427,606.54/42,156.18
6. Step 6: Final answer
   x = 41,617.33