Finding the Fourth Proportional to 155,648.72, 214,795.32 and 88,580.72

Step by Step Solution

1. Step 1: Write the proportion equation
   155,648.72 : 214,795.32 = 88,580.72 : x
2. Step 2: Convert to fraction form
   155,648.72/214,795.32 = 88,580.72/x
3. Step 3: Cross multiply
   155,648.72x = 214,795.32 × 88,580.72
4. Step 4: Simplify right side
   155,648.72x = 19,026,724,098.23
5. Step 5: Solve for x
   x = 19,026,724,098.23/155,648.72
6. Step 6: Final answer
   x = 122,241.44