Finding the Fourth Proportional to 105,357.38, 157,929.30 and 37,869.30

Step by Step Solution

1. Step 1: Write the proportion equation
   105,357.38 : 157,929.30 = 37,869.30 : x
2. Step 2: Convert to fraction form
   105,357.38/157,929.30 = 37,869.30/x
3. Step 3: Cross multiply
   105,357.38x = 157,929.30 × 37,869.30
4. Step 4: Simplify right side
   105,357.38x = 5,980,672,040.49
5. Step 5: Solve for x
   x = 5,980,672,040.49/105,357.38
6. Step 6: Final answer
   x = 56,765.57