Finding the Fourth Proportional to 118,944.42, 164,131.80 and 71,196.75

Step by Step Solution

1. Step 1: Write the proportion equation
   118,944.42 : 164,131.80 = 71,196.75 : x
2. Step 2: Convert to fraction form
   118,944.42/164,131.80 = 71,196.75/x
3. Step 3: Cross multiply
   118,944.42x = 164,131.80 × 71,196.75
4. Step 4: Simplify right side
   118,944.42x = 11,685,650,731.65
5. Step 5: Solve for x
   x = 11,685,650,731.65/118,944.42
6. Step 6: Final answer
   x = 98,244.63