Finding the Fourth Proportional to 102,131.56, 153,201.46 and 35,578.43

Step by Step Solution

1. Step 1: Write the proportion equation
   102,131.56 : 153,201.46 = 35,578.43 : x
2. Step 2: Convert to fraction form
   102,131.56/153,201.46 = 35,578.43/x
3. Step 3: Cross multiply
   102,131.56x = 153,201.46 × 35,578.43
4. Step 4: Simplify right side
   102,131.56x = 5,450,667,420.51
5. Step 5: Solve for x
   x = 5,450,667,420.51/102,131.56
6. Step 6: Final answer
   x = 53,369.08