Finding the Fourth Proportional to 155,097.05, 214,018.81 and 87,098.56

Step by Step Solution

1. Step 1: Write the proportion equation
   155,097.05 : 214,018.81 = 87,098.56 : x
2. Step 2: Convert to fraction form
   155,097.05/214,018.81 = 87,098.56/x
3. Step 3: Cross multiply
   155,097.05x = 214,018.81 × 87,098.56
4. Step 4: Simplify right side
   155,097.05x = 18,640,729,411.12
5. Step 5: Solve for x
   x = 18,640,729,411.12/155,097.05
6. Step 6: Final answer
   x = 120,187.52