Finding the Fourth Proportional to 103,647.48, 155,222.08 and 59,139.30

Step by Step Solution

1. Step 1: Write the proportion equation
   103,647.48 : 155,222.08 = 59,139.30 : x
2. Step 2: Convert to fraction form
   103,647.48/155,222.08 = 59,139.30/x
3. Step 3: Cross multiply
   103,647.48x = 155,222.08 × 59,139.30
4. Step 4: Simplify right side
   103,647.48x = 9,179,724,647.59
5. Step 5: Solve for x
   x = 9,179,724,647.59/103,647.48
6. Step 6: Final answer
   x = 88,566.79