Finding the Fourth Proportional to 178,667.88, 267,608.16 and 99,585.96

Step by Step Solution

1. Step 1: Write the proportion equation
   178,667.88 : 267,608.16 = 99,585.96 : x
2. Step 2: Convert to fraction form
   178,667.88/267,608.16 = 99,585.96/x
3. Step 3: Cross multiply
   178,667.88x = 267,608.16 × 99,585.96
4. Step 4: Simplify right side
   178,667.88x = 26,650,015,517.43
5. Step 5: Solve for x
   x = 26,650,015,517.43/178,667.88
6. Step 6: Final answer
   x = 149,159.52