Finding the Fourth Proportional to 141,185.16, 211,777.82 and 88,631.55

Step by Step Solution

1. Step 1: Write the proportion equation
   141,185.16 : 211,777.82 = 88,631.55 : x
2. Step 2: Convert to fraction form
   141,185.16/211,777.82 = 88,631.55/x
3. Step 3: Cross multiply
   141,185.16x = 211,777.82 × 88,631.55
4. Step 4: Simplify right side
   141,185.16x = 18,770,196,728.52
5. Step 5: Solve for x
   x = 18,770,196,728.52/141,185.16
6. Step 6: Final answer
   x = 132,947.38