Finding the Fourth Proportional to 103,555.30, 155,223.60 and 59,086.30

Step by Step Solution

1. Step 1: Write the proportion equation
   103,555.30 : 155,223.60 = 59,086.30 : x
2. Step 2: Convert to fraction form
   103,555.30/155,223.60 = 59,086.30/x
3. Step 3: Cross multiply
   103,555.30x = 155,223.60 × 59,086.30
4. Step 4: Simplify right side
   103,555.30x = 9,171,588,196.68
5. Step 5: Solve for x
   x = 9,171,588,196.68/103,555.30
6. Step 6: Final answer
   x = 88,567.06