Finding the Fourth Proportional to 155,667.72, 214,832.34 and 88,599.72

Step by Step Solution

1. Step 1: Write the proportion equation
   155,667.72 : 214,832.34 = 88,599.72 : x
2. Step 2: Convert to fraction form
   155,667.72/214,832.34 = 88,599.72/x
3. Step 3: Cross multiply
   155,667.72x = 214,832.34 × 88,599.72
4. Step 4: Simplify right side
   155,667.72x = 19,034,085,170.94
5. Step 5: Solve for x
   x = 19,034,085,170.94/155,667.72
6. Step 6: Final answer
   x = 122,273.81