Finding the Fourth Proportional to 105,348.98, 158,019.28 and 58,057.83

Step by Step Solution

1. Step 1: Write the proportion equation
   105,348.98 : 158,019.28 = 58,057.83 : x
2. Step 2: Convert to fraction form
   105,348.98/158,019.28 = 58,057.83/x
3. Step 3: Cross multiply
   105,348.98x = 158,019.28 × 58,057.83
4. Step 4: Simplify right side
   105,348.98x = 9,174,256,349.82
5. Step 5: Solve for x
   x = 9,174,256,349.82/105,348.98
6. Step 6: Final answer
   x = 87,084.43