Finding the Fourth Proportional to 155,662.56, 214,815.60 and 88,598.88

Step by Step Solution

1. Step 1: Write the proportion equation
   155,662.56 : 214,815.60 = 88,598.88 : x
2. Step 2: Convert to fraction form
   155,662.56/214,815.60 = 88,598.88/x
3. Step 3: Cross multiply
   155,662.56x = 214,815.60 × 88,598.88
4. Step 4: Simplify right side
   155,662.56x = 19,032,421,566.53
5. Step 5: Solve for x
   x = 19,032,421,566.53/155,662.56
6. Step 6: Final answer
   x = 122,267.18