Finding the Fourth Proportional to 107,538.10, 161,540.43 and 103,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,538.10 : 161,540.43 = 103,601.50 : x
2. Step 2: Convert to fraction form
   107,538.10/161,540.43 = 103,601.50/x
3. Step 3: Cross multiply
   107,538.10x = 161,540.43 × 103,601.50
4. Step 4: Simplify right side
   107,538.10x = 16,735,830,858.65
5. Step 5: Solve for x
   x = 16,735,830,858.65/107,538.10
6. Step 6: Final answer
   x = 155,626.99