Finding the Fourth Proportional to 103,688.78, 155,557.88 and 33,568.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,688.78 : 155,557.88 = 33,568.10 : x
2. Step 2: Convert to fraction form
   103,688.78/155,557.88 = 33,568.10/x
3. Step 3: Cross multiply
   103,688.78x = 155,557.88 × 33,568.10
4. Step 4: Simplify right side
   103,688.78x = 5,221,781,526.00
5. Step 5: Solve for x
   x = 5,221,781,526.00/103,688.78
6. Step 6: Final answer
   x = 50,360.14