Finding the Fourth Proportional to 105,328.81, 157,960.34 and 35,191.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,328.81 : 157,960.34 = 35,191.72 : x
2. Step 2: Convert to fraction form
   105,328.81/157,960.34 = 35,191.72/x
3. Step 3: Cross multiply
   105,328.81x = 157,960.34 × 35,191.72
4. Step 4: Simplify right side
   105,328.81x = 5,558,896,056.38
5. Step 5: Solve for x
   x = 5,558,896,056.38/105,328.81
6. Step 6: Final answer
   x = 52,776.60